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G. Liefers · SciRah

Researcher profile · Semantic Scholar

G. Liefers

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G. Liefers — researcher profile on SciRah

h-index: 56
Works: 305
Citations: 11K

Most-cited papers

Optimal Duration of Extended Adjuvant Endocrine Therapy for Early Breast Cancer; Results of the IDEAL Trial (BOOG 2006-05)
E. J. Blok, J. Kroep, Elma Meershoek-Klein Kranenbarg, Marjolijn Duijm-de Carpentier +8 more
2018Journal of the National Cancer Institute177 citations Open access
Semantic Scholar
Thermal ablation versus surgical resection of small-size colorectal liver metastases (COLLISION): an international, randomised, controlled, phase 3 non-inferiority trial.
S. van der Lei, R. Puijk, M. Dijkstra, Hannah H. Schulz +91 more
2025The Lancet Oncology141 citations Open access
Semantic Scholar
Breast Cancer Index Predicts Extended Endocrine Benefit to Individualize Selection of Patients with HR+ Early-stage Breast Cancer for 10 Years of Endocrine Therapy
I. Noordhoek, K. Treuner, H. Putter, Yi Zhang +6 more
2020Clinical Cancer Research100 citations Open access
Semantic Scholar
Statin Use After Diagnosis of Colon Cancer and Patient Survival.
P. Voorneveld, M. Reimers, E. Bastiaannet, R. Jacobs +11 more
2017Gastroenterology92 citations Open access
Semantic Scholar
Chemotherapy-Related Toxic Effects and Quality of Life and Physical Functioning in Older Patients
J. Baltussen, N. D. de Glas, Y. van Holstein, M. van der Elst +12 more
2023JAMA Network Open89 citations Open access
Semantic Scholar
Variation in treatment and survival of older patients with non-metastatic breast cancer in five European countries: a population-based cohort study from the EURECCA Breast Cancer Group
M. Derks, E. Bastiaannet, M. Kiderlen, D. Hilling +16 more
2018British Journal of Cancer75 citations Open access
Semantic Scholar
National cohort study on postoperative risks after surgery for submucosal invasive colorectal cancer
N. Vermeer, Y. Backes, H. Snijders, E. Bastiaannet +4 more
2018BJS Open68 citations Open access
Semantic Scholar
Prognostic value of tumor–stroma ratio combined with the immune status of tumors in invasive breast carcinoma
K. Vangangelt, G. V. van Pelt, C. C. Engels, H. Putter +5 more
2017Breast Cancer Research and Treatment62 citations Open access
Semantic Scholar
Role of patient preferences in clinical practice guidelines: a multiple methods study using guidelines from oncology as a case
Fania R. Gärtner, J. Portielje, M. Langendam, D. Hairwassers +5 more
2019BMJ Open59 citations Open access
Semantic Scholar
Impact of age on breast cancer mortality and competing causes of death at 10 years follow-up in the adjuvant TEAM trial.
M. Derks, E. Bastiaannet, W. van de Water, N. D. de Glas +10 more
2018European Journal of Cancer54 citations Open access
Semantic Scholar
Adjuvant tamoxifen and exemestane in women with postmenopausal early breast cancer (TEAM): 10-year follow-up of a multicentre, open-label, randomised, phase 3 trial.
M. Derks, E. J. Blok, C. Seynaeve, J. Nortier +11 more
2017The Lancet Oncology51 citations Open access
Semantic Scholar
Impact of Comorbidities and Age on Cause-Specific Mortality in Postmenopausal Patients with Breast Cancer.
M. Derks, C. V. D. van de Velde, D. Giardiello, C. Seynaeve +6 more
2019The Oncologist39 citations Open access
Semantic Scholar
Sexual Health Needs: How Do Breast Cancer Patients and Their Partners Want Information?
L. F. Albers, G. V. van Ek, Esmée M. Krouwel, C. M. Oosterkamp-Borgelink +9 more
2019Journal of Sex & Marital Therapy38 citations Open access
Semantic Scholar
Extending the duration of endocrine treatment for early breast cancer: patient-level meta-analysis of 12 randomised trials of aromatase inhibitors in 22 031 postmenopausal women already treated with at least 5 years of endocrine therapy.
Jeremy P. Braybrooke, Rosie Bradley, R. Hills, R. Peto +155 more
2025The Lancet30 citations Open access
Semantic Scholar
Treatment and survival of rectal cancer patients over the age of 80 years: a EURECCA international comparison
Y. Claassen, N. Vermeer, L. Iversen, E. van Eycken +15 more
2018British Journal of Cancer29 citations Open access
Semantic Scholar
Overestimation of Late Distant Recurrences in High-Risk Patients With ER-Positive Breast Cancer: Validity and Accuracy of the CTS5 Risk Score in the TEAM and IDEAL Trials.
I. Noordhoek, E. J. Blok, Elma Meershoek-Klein Kranenbarg, H. Putter +14 more
2020Journal of Clinical Oncology25 citations Open access
Semantic Scholar
Psychological distress and quality of life following positive fecal occult blood testing in colorectal cancer screening
N. Vermeer, M. V. D. van der Valk, H. Snijders, H. Vasen +6 more
2020Psycho-Oncology25 citations Open access
Semantic Scholar
Low-dose interferon-alpha preconditioning and adoptive cell therapy in patients with metastatic melanoma refractory to standard (immune) therapies: a phase I/II study
E. Verdegaal, M. K. van der Kooij, Marten Visser, C. E. van der Minne +10 more
2020Journal for ImmunoTherapy of Cancer25 citations Open access
Semantic Scholar
Impact of Older Age and Comorbidity on Locoregional and Distant Breast Cancer Recurrence: A Large Population-Based Study.
A. D. de Boer, H. van der Hulst, N. D. de Glas, Perla J. Marang-van de Mheen +6 more
2019The Oncologist25 citations Open access
Semantic Scholar
Prevalence and Risk Factors of Ovarian Metastases in Breast Cancer Patients < 41 Years of Age in the Netherlands: A Nationwide Retrospective Cohort Study
I. Peters, E. V. van Zwet, V. Smit, G. Liefers +3 more
2017PLoS ONE24 citations Open access
Semantic Scholar
Development and validation of the PORTRET tool to predict recurrence, overall survival, and other-cause mortality in older patients with breast cancer in the Netherlands: a population-based study.
W. G. van der Plas-Krijgsman, D. Giardiello, H. Putter, E. Steyerberg +7 more
2021The Lancet Healthy Longevity23 citations Open access
Semantic Scholar
Predictive Biomarkers for Outcomes of Immune Checkpoint Inhibitors (ICIs) in Melanoma: A Systematic Review
J. Baltussen, M. Welters, E. Verdegaal, E. Kapiteijn +6 more
2021Cancers23 citations Open access
Semantic Scholar
Strong CD8+ lymphocyte infiltration in combination with expression of HLA class I is associated with better tumor control in breast cancer patients treated with neoadjuvant chemotherapy
A. D. de Groot, E. J. Blok, A. Charehbili, C. C. Engels +10 more
2019Breast Cancer Research and Treatment22 citations Open access
Semantic Scholar
Improved survival of older patients with advanced breast cancer due to an increase in systemic treatments: a population-based study
N. D. de Glas, E. Bastiaannet, A. D. de Boer, S. Siesling +2 more
2019Breast Cancer Research and Treatment22 citations Open access
Semantic Scholar
Treatment and Survival of Patients with Colon Cancer Aged 80 Years and Older: A EURECCA International Comparison.
N. Vermeer, Y. Claassen, M. Derks, L. Iversen +14 more
2018The Oncologist22 citations Open access
Semantic Scholar
Design and rationale of a routine clinical care pathway and prospective cohort study in older patients needing intensive treatment
Y. van Holstein, F. V. van Deudekom, S. Trompet, I. Postmus +13 more
2021BMC Geriatrics21 citations Open access
Semantic Scholar
Breast cancer in the older population: a global challenge—an epidemiological perspective
A. Lemij, E. Bastiaannet, N. D. de Glas, F. van den Bos +3 more
2021Annals of Breast Surgery20 citations Open access
Semantic Scholar
Metastatic breast cancer in older patients: A longitudinal assessment of geriatric outcomes.
A. D. de Boer, M. Derks, N. D. de Glas, E. Bastiaannet +7 more
2020Journal of Geriatric Oncology20 citations Open access
Semantic Scholar
Discontinuation of adjuvant endocrine therapy and impact on quality of life and functional status in older patients with breast cancer
A. Lemij, N. D. de Glas, M. Derks, E. Bastiaannet +12 more
2021Breast Cancer Research and Treatment18 citations Open access
Semantic Scholar
Decrease in 30-day and one-year mortality over time in patients aged ≥75 years with stage I-III colon cancer: A population-based study.
A. Breugom, E. Bastiaannet, J. Dekker, M. Wouters +2 more
2018European Journal of Surgical Oncology18 citations
Semantic Scholar
Women’s Acceptance of Overdetection in Breast Cancer Screening: Can We Assess Harm-Benefit Tradeoffs?
A. Stiggelbout, T. Copp, G. Jacklyn, J. Jansen +3 more
2019Medical decision making17 citations Open access
Semantic Scholar
Prediction of Other-Cause Mortality in Older Patients with Breast Cancer Using Comorbidity
A. D. de Boer, E. Bastiaannet, H. Putter, Perla J. Marang-van de Mheen +6 more
2021Cancers16 citations Open access
Semantic Scholar
Effect of omission of surgery on survival in patients aged 80 years and older with early‐stage hormone receptor‐positive breast cancer
A. D. de Boer, N. D. de Glas, P. M. D. de Mheen, O. Dekkers +6 more
2020British Journal of Surgery15 citations Open access
Semantic Scholar
Exploration of tumour-infiltrating lymphocytes as a predictive biomarker for adjuvant endocrine therapy in early breast cancer
E. J. Blok, C. C. Engels, G. Dekker-Ensink, Elma Meershoek-Klein Kranenbarg +10 more
2018Breast Cancer Research and Treatment14 citations Open access
Semantic Scholar
Selection of Patients With Early-Stage Breast Cancer for Extended Endocrine Therapy: A Secondary Analysis of the IDEAL Randomized Clinical Trial.
L. J. van 't Veer, Elma Meershoek-Klein Kranenbarg, Marjolijn Duijm-de Carpentier, C. V. D. van de Velde +5 more
2024JAMA Network Open13 citations Open access
Semantic Scholar
Physical Function and Physical Activity in Older Breast Cancer Survivors: 5-Year Follow-Up from the Climb Every Mountain Study
A. Lemij, G. Liefers, M. Derks, E. Bastiaannet +11 more
2023The Oncologist13 citations Open access
Semantic Scholar
Predicting disease-related and patient-reported outcomes in older patients with breast cancer - a systematic review.
W. G. van der Plas-Krijgsman, A. D. de Boer, P. D. de Jong, E. Bastiaannet +5 more
2021Journal of Geriatric Oncology13 citations Open access
Semantic Scholar
Ten-year distant-recurrence risk prediction in breast cancer by CanAssist Breast (CAB) in Dutch sub-cohort of the randomized TEAM trial
Xi Zhang, A. Gunda, E. Kranenbarg, G. Liefers +10 more
2023Breast Cancer Research12 citations Open access
Semantic Scholar
Effectiveness of radiotherapy after breast-conserving surgery in older patients with T1-2N0 breast cancer
A. D. de Boer, E. Bastiaannet, N. D. de Glas, Perla J. Marang-van de Mheen +6 more
2019Breast Cancer Research and Treatment12 citations Open access
Semantic Scholar
The value of 3D images in the aesthetic evaluation of breast cancer conservative treatment. Results from a prospective multicentric clinical trial.
M. Cardoso, C. Vrieling, Jaime S. Cardoso, H. P. Oliveira +25 more
2018Breast12 citations Open access
Semantic Scholar
Time trends of short-term mortality for octogenarians undergoing a colorectal resection in North Europe.
Y. Claassen, E. Bastiaannet, E. van Eycken, N. Van Damme +11 more
2019European Journal of Surgical Oncology11 citations Open access
Semantic Scholar
Mental health outcomes in older breast cancer survivors: Five-year follow-up from the CLIMB study.
A. Lemij, N. D. de Glas, M. Derks, E. Linthorst-Niers +11 more
2023European Journal of Cancer10 citations Open access
Semantic Scholar
Predicting postoperative complications and their impact on quality of life and functional status in older patients with breast cancer.
A. Lemij, W. G. van der Plas-Krijgsman, E. Bastiaannet, J. Merkus +12 more
2022British Journal of Surgery10 citations Open access
Semantic Scholar
Oncologic treatment strategies and relative survival of patients with stage I-III rectal cancer - A EURECCA international comparison between the Netherlands, Belgium, Denmark, Sweden, England, Ireland, Spain, and Lithuania.
A. Breugom, E. Bastiaannet, P. Boelens, E. van Eycken +13 more
2018European Journal of Surgical Oncology10 citations Open access
Semantic Scholar
Treatment decisions and the impact of adverse events before and during extended endocrine therapy in postmenopausal early breast cancer.
E. J. Blok, J. Kroep, Elma Meershoek-Klein Kranenbarg, Marjolijn Duijm-de Carpentier +6 more
2018European Journal of Cancer10 citations
Semantic Scholar
Breast cancer mortality of older patients with and without recurrence analysed by novel multi-state models.
A. D. de Boer, E. Bastiaannet, J. Schetelig, N. D. de Glas +6 more
2022European Journal of Cancer9 citations Open access
Semantic Scholar
Targeted therapy in older women with breast cancer - What's the target?
M. Kiderlen, C. V. D. van de Velde, G. Liefers, E. Bastiaannet +8 more
2017European Journal of Surgical Oncology9 citations
Semantic Scholar
Gene expression signatures in older patients with breast cancer: A systematic review.
A. Lemij, J. Baltussen, N. D. de Glas, J. Kroep +3 more
2022Critical reviews in oncology/hematology8 citations Open access
Semantic Scholar
Differences in treatment and survival of older patients with operable breast cancer between the United Kingdom and the Netherlands – A comparison of two national prospective longitudinal multi-centre cohort studies
W. G. van der Plas-Krijgsman, J. Morgan, N. D. de Glas, A. D. de Boer +16 more
2021European Journal of Cancer8 citations Open access
Semantic Scholar
Addition of zoledronic acid to neoadjuvant chemotherapy is not beneficial in patients with HER2-negative stage II/III breast cancer: 5-year survival analysis of the NEOZOTAC trial (BOOG 2010-01)
Stefanie de Groot, H. Pijl, A. Charehbili, S. van de Ven +15 more
2019Breast Cancer Research8 citations Open access
Semantic Scholar

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E. Bastiaannet×24
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E. Bastiaannet — researcher profile on SciRah
N. D. de Glas×21
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N. D. de Glas — researcher profile on SciRah
J. Portielje×21
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J. Portielje — researcher profile on SciRah
H. Putter×11
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M. Derks — researcher profile on SciRah

C. V. D. van de Velde×9

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J. Kroep — researcher profile on SciRah

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C. V. D. van de Velde×7

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F. van den Bos — researcher profile on SciRah