Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

M. Tokunaga · SciRah

Researcher profile · Semantic Scholar

M. Tokunaga

Share profile

M. Tokunaga — researcher profile on SciRah

h-index: 39
Works: 243
Citations: 4,430

Most-cited papers

Five-Year Survival Outcomes of Laparoscopy-Assisted vs Open Distal Gastrectomy for Advanced Gastric Cancer: The JLSSG0901 Randomized Clinical Trial.
T. Etoh, T. Ohyama, S. Sakuramoto, T. Tsuji +15 more
2023JAMA Surgery174 citations
Semantic Scholar
Impact of Malnutrition After Gastrectomy for Gastric Cancer on Long-Term Survival
Keiichi Fujiya, T. Kawamura, K. Omae, R. Makuuchi +5 more
2018Annals of Surgical Oncology157 citations
Semantic Scholar
Long-Term Outcomes of Gastric Cancer Patients with Preoperative Sarcopenia
T. Kawamura, R. Makuuchi, M. Tokunaga, Y. Tanizawa +5 more
2018Annals of Surgical Oncology105 citations
Semantic Scholar
Risk factors for lymph node metastasis and long-term outcomes of patients with early gastric cancer after non-curative endoscopic submucosal dissection
N. Kawata, N. Kakushima, K. Takizawa, Masaki Tanaka +11 more
2017Surgical Endoscopy92 citations
Semantic Scholar
Impact of postoperative complications on survival outcomes in patients with gastric cancer: exploratory analysis of a randomized controlled JCOG1001 trial
M. Tokunaga, Y. Kurokawa, R. Machida, Yuya Sato +9 more
2020Gastric Cancer83 citations Open access
Semantic Scholar
Perioperative chemotherapy for locally advanced gastric cancer in Japan: current and future perspectives
M. Tokunaga, Yuya Sato, M. Nakagawa, T. Aburatani +3 more
2019Surgery today (Print)81 citations Open access
Semantic Scholar
What are the reasons for a longer operation time in robotic gastrectomy than in laparoscopic gastrectomy for stomach cancer?
He-Li Liu, T. Kinoshita, A. Tonouchi, Akio Kaito +1 more
2018Surgical Endoscopy77 citations
Semantic Scholar
HER2 heterogeneity is a poor prognosticator for HER2-positive gastric cancer
Akio Kaito, T. Kuwata, M. Tokunaga, K. Shitara +3 more
2019World Journal of Clinical Cases58 citations Open access
Semantic Scholar
Treatment outcomes of hepatectomy for liver metastases of gastric cancer diagnosed using contrast-enhanced magnetic resonance imaging
T. Tatsubayashi, Y. Tanizawa, Yuichiro Miki, M. Tokunaga +6 more
2017Gastric Cancer58 citations Open access
Semantic Scholar
Metabolomic profiling of gastric cancer tissues identified potential biomarkers for predicting peritoneal recurrence
S. Kaji, T. Irino, M. Kusuhara, R. Makuuchi +12 more
2020Gastric Cancer46 citations Open access
Semantic Scholar
Comparison of Surgical Outcomes Between Robotic and Laparoscopic Distal Gastrectomy for cT1 Gastric Cancer
M. Hikage, M. Tokunaga, R. Makuuchi, T. Irino +4 more
2018World Journal of Surgery43 citations
Semantic Scholar
Prevalence of deep venous thrombosis detected by ultrasonography before surgery in patients with gastric cancer: a retrospective study of 1140 consecutive patients
Y. Tanizawa, E. Bando, T. Kawamura, M. Tokunaga +5 more
2017Gastric Cancer38 citations Open access
Semantic Scholar
Berberine Overcomes Gemcitabine-Associated Chemoresistance through Regulation of Rap1/PI3K-Akt Signaling in Pancreatic Ductal Adenocarcinoma
K. Okuno, Caiming Xu, Silvia Pascual-Sabater, M. Tokunaga +4 more
2022Pharmaceuticals34 citations Open access
Semantic Scholar
Randomized controlled Phase III trial to evaluate omentum preserving gastrectomy for patients with advanced gastric cancer (JCOG1711, ROAD-GC).
Yuya Sato, T. Yamada, T. Yoshikawa, R. Machida +5 more
2020Japanese Journal of Clinical Oncology34 citations
Semantic Scholar
Clinical utility of comprehensive genomic profiling in Japan: Result of PROFILE-F study
Yasuko Aoyagi, Y. Kano, Kohki Tohyama, Shotaro Matsudera +25 more
2022PLoS ONE30 citations Open access
Semantic Scholar
Metabolome analysis of esophageal cancer tissues using capillary electrophoresis-time-of-flight mass spectrometry.
M. Tokunaga, K. Kami, S. Ozawa, Junya Oguma +5 more
2018International Journal of Oncology29 citations Open access
Semantic Scholar
The value of diagnostic endoscopic submucosal dissection for patients with clinical submucosal invasive early gastric cancer
Keiichi Fujiya, K. Takizawa, M. Tokunaga, N. Kawata +9 more
2017Gastric Cancer29 citations Open access
Semantic Scholar
Prospective phase II study evaluating the efficacy of swallow ability screening tests and pneumonia prevention using a team approach for elderly patients with gastric cancer
Yuichiro Miki, R. Makuuchi, Shinsaku Honda, M. Tokunaga +6 more
2018Gastric Cancer26 citations Open access
Semantic Scholar
Impact of COVID-19 on gastric cancer treatment in Japanese high-volume centers: a JCOG stomach cancer study group survey
M. Tokunaga, T. Yoshikawa, N. Boku, Y. Nishida +12 more
2021Surgery today (Print)25 citations Open access
Semantic Scholar
Current status of perioperative chemotherapy for locally advanced gastric cancer and JCOG perspectives.
M. Terashima, T. Yoshikawa, N. Boku, S. Ito +6 more
2020Japanese Journal of Clinical Oncology25 citations Open access
Semantic Scholar
Impact of clinical tumor–node–metastasis staging on survival in gastric carcinoma patients receiving surgery
E. Bando, R. Makuuchi, M. Tokunaga, Y. Tanizawa +2 more
2017Gastric Cancer25 citations Open access
Semantic Scholar
Development of a Reliable Surgical Quality Assurance System for 2-stage Esophagectomy in Randomized Controlled Trials
A. Harris, J. Butterworth, P. Boshier, H. Mackenzie +19 more
2020Annals of Surgery23 citations Open access
Semantic Scholar
Surgical outcomes after gastrectomy in very elderly patients with gastric cancer
M. Hikage, M. Tokunaga, R. Makuuchi, T. Irino +4 more
2018Surgery today (Print)23 citations
Semantic Scholar
Complications and their correlation with prognosis in patients undergoing total gastrectomy with splenectomy for treatment of proximal advanced gastric cancer.
Masahiro Watanabe, T. Kinoshita, M. Tokunaga, Akio Kaito +1 more
2018European Journal of Surgical Oncology22 citations
Semantic Scholar
Berberine and Oligomeric Proanthocyanidins Exhibit Synergistic Efficacy Through Regulation of PI3K-Akt Signaling Pathway in Colorectal Cancer
K. Okuno, Rachana Garg, Yate-Ching Yuan, M. Tokunaga +2 more
2022Frontiers in Oncology20 citations Open access
Semantic Scholar
Long-term oncological outcomes of laparoscopic versus open transhiatal resection for patients with Siewert type II adenocarcinoma of the esophagogastric junction
Shizuki Sugita, T. Kinoshita, T. Kuwata, M. Tokunaga +5 more
2020Surgical Endoscopy20 citations
Semantic Scholar
Treatment and subsequent prognosis in locally recurrent rectal cancer: a multicenter retrospective study of 498 patients
T. Matsuyama, S. Yamauchi, Taiki Masuda, Akifumi Kikuchi +3 more
2021International Journal of Colorectal Disease18 citations
Semantic Scholar
Preoperative lymphocyte-to-monocyte ratio is the most predictive inflammatory response marker of survival in gastric cancer
K. Okuno, M. Tokunaga, Yamato Yamashita, Yuya Umebayashi +9 more
2021Langenbeck's archives of surgery (Print)15 citations
Semantic Scholar
A liquid biopsy signature for predicting early recurrence in patients with gastric cancer
K. Okuno, Shuichi Watanabe, Souvick Roy, M. Kanda +4 more
2023British Journal of Cancer14 citations Open access
Semantic Scholar
Robotic-assisted Surgery: Expanding Indication to Colon Cancer in Japan
S. Yamauchi, M. Hanaoka, Noriko Iwata, Taiki Masuda +2 more
2022Journal of the Anus Rectum and Colon14 citations Open access
Semantic Scholar
Diagnosis of invasion depth in resectable advanced gastric cancer for neoadjuvant chemotherapy: An exploratory analysis of Japan clinical oncology group study: JCOG1302A.
Yuya Sato, J. Mizusawa, H. Katayama, Kenichi Nakamura +13 more
2020European Journal of Surgical Oncology14 citations Open access
Semantic Scholar
A microRNA signature for risk-stratification and response prediction to FOLFOX-based adjuvant therapy in stage II and III colorectal cancer
K. Okuno, R. Kandimalla, M. Mendiola, F. Balaguer +8 more
2023Molecular Cancer13 citations Open access
Semantic Scholar
A transcriptomic liquid biopsy assay for predicting resistance to neoadjuvant therapy in esophageal squamous cell carcinoma
K. Okuno, M. Tokunaga, Y. Kinugasa, H. Baba +2 more
2022Annals of Surgery13 citations Open access
Semantic Scholar
Andrographis Reverses Gemcitabine Resistance through Regulation of ERBB3 and Calcium Signaling Pathway in Pancreatic Ductal Adenocarcinoma
K. Okuno, Caiming Xu, Silvia Pascual-Sabater, M. Tokunaga +5 more
2023Biomedicines12 citations Open access
Semantic Scholar
Long-term outcomes of robotic gastrectomy for clinical stage I gastric cancer: a single-center prospective phase II study
M. Hikage, M. Tokunaga, K. Furukawa, Keiichi Fujiya +4 more
2020Surgical Endoscopy12 citations
Semantic Scholar
A comparison of the short-term outcomes between laparoscopic and robotic distal gastrectomy: A retrospective study using a nationwide inpatient database.
T. Shigeno, M. Kizuki, M. Tokunaga, K. Fushimi +2 more
2023Surgery11 citations
Semantic Scholar
ELF3 Overexpression as Prognostic Biomarker for Recurrence of Stage II Colorectal Cancer
Ayumi Takaoka, T. Ishikawa, S. Okazaki, Shuichi Watanabe +8 more
2021In Vivo11 citations Open access
Semantic Scholar
Minimally Invasive Surgery for Colorectal Cancer
S. Yamauchi, T. Matsuyama, M. Tokunaga, Y. Kinugasa
2021JMA Journal11 citations Open access
Semantic Scholar
PHLDA1 expression in ulcerative colitis: A potential role in the management of dysplasia
Fukuichiro Orita, T. Ishikawa, M. Ishiguro, Satoshi Okazaki +6 more
2021Molecular and clinical oncology10 citations Open access
Semantic Scholar
Histological changes in the human esophagus following triamcinolone injection to prevent esophageal stricture after endoscopic submucosal dissection
Y. Kawamura, K. Kawada, T. Ito, Katsumasa Saito +8 more
2021Esophagus9 citations Open access
Semantic Scholar
Feasibility and Safety of Early Oral Intake and Discharge After Total or Proximal Gastrectomy: An Analysis of Consecutive Cases Without Exclusion Criteria
M. Nakagawa, M. Tokunaga, T. Aburatani, Yuya Sato +3 more
2019Annals of Surgical Oncology9 citations
Semantic Scholar
A multi-institutional study to evaluate the feasibility of next-generation sequencing and genomic analysis using formalin-fixed, paraffin-embedded biopsies of gastric cancer
M. Kanda, M. Terashima, T. Kinoshita, H. Yabusaki +2 more
2022Gastric Cancer7 citations Open access
Semantic Scholar
Preliminary study for developing a navigation system for gastric cancer surgery using artificial intelligence
Yuya Sato, Se-Se Jun, T. Matsuyama, Masaki Onuki +8 more
2022Surgery today (Print)7 citations
Semantic Scholar
Different risks of nodal metastasis by tumor location in remnant gastric cancer after curative gastrectomy for gastric cancer
Kazuya Takahashi, T. Yoshikawa, S. Morita, T. Kinoshita +6 more
2019Gastric Cancer7 citations Open access
Semantic Scholar
Clinical impact of splenic hilar dissection with splenectomy for gastric stump cancer.
Masahiro Watanabe, T. Kinoshita, S. Morita, Masahiro Yura +6 more
2019European Journal of Surgical Oncology7 citations Open access
Semantic Scholar
Identifying Risk Factors of Complications following Total Gastrectomy for Gastric Cancer: Comparison between Splenectomy and Spleen-Preserving Surgery – A Supplementary Analysis of JCOG0110
S. Ito, T. Sano, J. Mizusawa, M. Tokunaga +10 more
2023Digestive Surgery6 citations
Semantic Scholar
Protocol digest of a phase III trial to evaluate the efficacy of preoperative chemotherapy with S-1 plus oxaliplatin followed by D2 gastrectomy with postoperative S-1 in locally advanced gastric cancer: Japan Clinical Oncology Group study JCOG1509 (NAGISA Trial)
J. Mizusawa, M. Tokunaga, N. Machida, H. Yabusaki +11 more
2022Japanese Journal of Clinical Oncology6 citations
Semantic Scholar
Impact of Preoperative Time Interval on Survival in Patients With Gastric Cancer
K. Okuno, M. Tokunaga, Yamato Yamashita, Yuya Umebayashi +9 more
2021World Journal of Surgery6 citations
Semantic Scholar
A phase II study of ramelteon for the prevention of postoperative delirium in elderly patients undergoing gastrectomy
Shinsaku Honda, K. Furukawa, R. Makuuchi, T. Irino +7 more
2020Surgery today (Print)6 citations
Semantic Scholar
Extra-perigastric Extranodal Metastasis is a Significant Prognostic Factor in Node-Positive Gastric Cancer
A. Tonouchi, M. Sugano, M. Tokunaga, Shizuki Sugita +7 more
2019World Journal of Surgery6 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

M. Terashima×22
Invite
M. Terashima — researcher profile on SciRah
Y. Kinugasa×20
Invite
Y. Kinugasa — researcher profile on SciRah
Y. Tanizawa×13
Invite
Y. Tanizawa — researcher profile on SciRah
E. Bando×13
Invite
E. Bando — researcher profile on SciRah

×12

Invite

T. Kawamura — researcher profile on SciRah

T. Kinoshita×11

Invite

T. Kinoshita — researcher profile on SciRah

R. Makuuchi×11

Invite

R. Makuuchi — researcher profile on SciRah

T. Matsuyama×9

Invite

T. Matsuyama — researcher profile on SciRah

Invite

Yuya Sato — researcher profile on SciRah

T. Yoshikawa×8

Invite

T. Yoshikawa — researcher profile on SciRah

Invite

K. Okuno — researcher profile on SciRah

Invite

Akio Kaito — researcher profile on SciRah