Souya Nunobe

8.6k total citations · 1 hit paper
212 papers, 5.6k citations indexed

About

Souya Nunobe is a scholar working on Pulmonary and Respiratory Medicine, Surgery and Gastroenterology. According to data from OpenAlex, Souya Nunobe has authored 212 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 193 papers in Pulmonary and Respiratory Medicine, 108 papers in Surgery and 100 papers in Gastroenterology. Recurrent topics in Souya Nunobe's work include Gastric Cancer Management and Outcomes (189 papers), Metastasis and carcinoma case studies (121 papers) and Gastrointestinal Tumor Research and Treatment (97 papers). Souya Nunobe is often cited by papers focused on Gastric Cancer Management and Outcomes (189 papers), Metastasis and carcinoma case studies (121 papers) and Gastrointestinal Tumor Research and Treatment (97 papers). Souya Nunobe collaborates with scholars based in Japan, United States and China. Souya Nunobe's co-authors include Naoki Hiki, Takeshi Sano, Toshiharu Yamaguchi, Koshi Kumagai, Manabu Ohashi, Satoshi Ida, Tetsu Fukunaga, Shigekazu Ohyama, Yasuyuki Seto and Takeo Fukagawa and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Annals of Surgery.

In The Last Decade

Souya Nunobe

195 papers receiving 5.5k citations

Hit Papers

Five-year survival analysis of surgically resected gastri... 2017 2026 2020 2023 2017 100 200 300
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Five-year survival analysis of surgically resected gastric cancer cases in Japan: a retrospective analysis of more than 100,000 patients from the nationwide registry of the Japanese Gastric Cancer Association (2001–2007)
    2017 363 citations Hitoshi Katai, Souya Nunobe et al. Gastric Cancer profile →

Peers

Souya Nunobe
Etsuro Bando Japan
Tsuneo Oyama Japan
Koshi Kumagai Japan
Sung Kim South Korea
Hirotoshi Akiyama Japan
Taiichi Kawamura Japan
Bang Wool Eom South Korea
Taeil Son South Korea
Haruhiko Cho Japan
Yun‐Suhk Suh South Korea
Etsuro Bando Japan
Souya Nunobe
Citations per year, relative to Souya Nunobe Souya Nunobe (= 1×) peers Etsuro Bando

Countries citing papers authored by Souya Nunobe

Since Specialization
Citations

This map shows the geographic impact of Souya Nunobe's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Souya Nunobe with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Souya Nunobe more than expected).

Fields of papers citing papers by Souya Nunobe

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Souya Nunobe. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Souya Nunobe. The network helps show where Souya Nunobe may publish in the future.

Co-authorship network of co-authors of Souya Nunobe

This figure shows the co-authorship network connecting the top 25 collaborators of Souya Nunobe. A scholar is included among the top collaborators of Souya Nunobe based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Souya Nunobe. Souya Nunobe is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hu, Qingjiang, Manabu Ohashi, Motonari Ri, et al.. (2025). Oncological impact of unexpected horizontal tumour spread in oesophagogastric junction cancer. BJS Open. 9(5).
2.
3.
Matsui, Ryota, Manabu Ohashi, Motonari Ri, et al.. (2025). Prognostic impact of postoperative fixed‐point inflammation in patients with gastric cancer after curative gastrectomy: A validation cohort study. Annals of Gastroenterological Surgery. 9(4). 698–710.
4.
Ri, Motonari, Masaru Hayami, Manabu Ohashi, et al.. (2024). Possibly more favorable short‐term outcomes with minimally invasive surgery than with open surgery in total gastrectomy for locally advanced gastric cancer: A single high‐volume center study. Annals of Gastroenterological Surgery. 9(3). 439–447. 1 indexed citations
5.
Ri, Motonari, Manabu Ohashi, Rie Makuuchi, et al.. (2024). Clinical Impact of Polyglycolic Acid Mesh to Reduce Pancreas-Related Complications After Minimally Invasive Surgery for Gastric Cancer: A Propensity Score Matching Analysis. Journal of the Korean Gastric Cancer Association. 24(2). 220–220. 4 indexed citations
6.
Sakata, Seiji, Satoko Baba, Yuki Togashi, et al.. (2024). Early gastric cancer with RhoGAP fusion is linked to frequent nodal metastasis and a part of microtubular–mucocellular histology. Gastric Cancer. 27(4). 772–784. 2 indexed citations
7.
Maruyama, Suguru, Yu Imamura, Tasuku Toihata, et al.. (2024). FOXP3+/CD8+ ratio associated with aggressive behavior in RUNX3‐methylated diffuse esophagogastric junction tumor. Cancer Science. 116(1). 178–191.
8.
Matsui, Ryota, Koshi Kumagai, Satoshi Ida, et al.. (2024). Impact of Olfactory Change on Postoperative Body Weight Loss in Patients with Gastric Cancer after Gastrectomy. Nutrients. 16(6). 851–851. 1 indexed citations
9.
Honda, Michitaka, Motonari Ri, Takahiro Kinoshita, et al.. (2024). Comparison of the survival outcomes between retrocolic and antecolic Roux‐en‐Y reconstruction after gastrectomy for gastric cancer. Annals of Gastroenterological Surgery. 8(3). 443–449.
10.
Akiyama, Yuji, Hitoshi Katai, Souya Nunobe, et al.. (2023). Frequency of lymph node metastasis according to tumor location in clinical T1 early gastric cancer: supplementary analysis of the Japan Clinical Oncology Group study (JCOG0912). Journal of Gastroenterology. 58(6). 519–526. 8 indexed citations
11.
Ohashi, Manabu, Satoshi Ida, Masaru Hayami, et al.. (2023). Advantages of Function-Preserving Gastrectomy for Older Patients With Upper-Third Early Gastric Cancer: Maintenance of Nutritional Status and Favorable Survival. Journal of the Korean Gastric Cancer Association. 23(2). 303–303. 3 indexed citations
12.
Namikawa, Ken, Toshiaki Hirasawa, Kaoru Nakano, et al.. (2022). Risk factors for lymph node metastasis and indication of local resection in duodenal neuroendocrine tumors. JGH Open. 6(3). 189–195. 5 indexed citations
13.
Namikawa, Ken, Kaoru Nakano, Yoshitaka Tokai, et al.. (2022). Clinicopathological characteristics of advanced gastric cancer after Helicobacter pylori eradication. JGH Open. 6(12). 833–838.
14.
Ri, Motonari, Souya Nunobe, Satoshi Ida, et al.. (2021). Postprandial Asymptomatic Glycemic Fluctuations after Gastrectomy for Gastric Cancer Using Continuous Glucose Monitoring Device. Journal of the Korean Gastric Cancer Association. 21(4). 325–325. 5 indexed citations
15.
Nunobe, Souya & Satoshi Ida. (2020). Current status of proximal gastrectomy for gastric and esophagogastric junctional cancer: A review. Annals of Gastroenterological Surgery. 4(5). 498–504. 44 indexed citations
16.
Hayami, Masaru, Manabu Ohashi, Satoshi Ida, et al.. (2020). A “Just Enough” Gross Proximal Margin Length Ensuring Pathologically Complete Resection in Distal Gastrectomy for Gastric Cancer. SHILAP Revista de lepidopterología. 1(2). e026–e026. 11 indexed citations
17.
Okumura, Yasuhiro, Manabu Takamatsu, Manabu Ohashi, et al.. (2018). Gastric Adenocarcinoma of Fundic Gland Type with Aggressive Transformation and Lymph Node Metastasis: a Case Report. Journal of the Korean Gastric Cancer Association. 18(4). 409–409. 16 indexed citations
18.
Kawakatsu, Shoji, Manabu Ohashi, Naoki Hiki, et al.. (2017). Use of endoscopy to determine the resection margin during laparoscopic gastrectomy for cancer. British journal of surgery. 104(13). 1829–1836. 37 indexed citations
19.
Nunobe, Souya, et al.. (2017). Morphological and functional reconstruction of the esophago-gastric junction with a double-flap technique after laparoscopic proximal gastrectomy. Annals of Laparoscopic and Endoscopic Surgery. 2(2). 25–25. 4 indexed citations
20.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Etsuro Bando Breakdown of academic impact, for papers by Tsuneo Oyama Breakdown of academic impact, for papers by Koshi Kumagai Breakdown of academic impact, for papers by Sung Kim Breakdown of academic impact, for papers by Hirotoshi Akiyama Breakdown of academic impact, for papers by Taiichi Kawamura Breakdown of academic impact, for papers by Bang Wool Eom Breakdown of academic impact, for papers by Taeil Son Breakdown of academic impact, for papers by Haruhiko Cho Breakdown of academic impact, for papers by Yun‐Suhk Suh
Rankless by CCL
2026