Hiroshi Sawayama

2.8k total citations · 1 hit paper
79 papers, 1.8k citations indexed

About

Hiroshi Sawayama is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Hiroshi Sawayama has authored 79 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Surgery, 34 papers in Pulmonary and Respiratory Medicine and 34 papers in Oncology. Recurrent topics in Hiroshi Sawayama's work include Esophageal Cancer Research and Treatment (24 papers), Gastric Cancer Management and Outcomes (20 papers) and Esophageal and GI Pathology (13 papers). Hiroshi Sawayama is often cited by papers focused on Esophageal Cancer Research and Treatment (24 papers), Gastric Cancer Management and Outcomes (20 papers) and Esophageal and GI Pathology (13 papers). Hiroshi Sawayama collaborates with scholars based in Japan, United States and Singapore. Hiroshi Sawayama's co-authors include Naoya Yoshida, Yoshifumi Baba, Masaaki Iwatsuki, Takatsugu Ishimoto, Hideo Baba, Yuji Miyamoto, Masayuki Watanabe, Yasuo Sakamoto, Yo‐ichi Yamashita and Kosuke Mima and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Cancer Research.

In The Last Decade

Hiroshi Sawayama

74 papers receiving 1.8k citations

Hit Papers

align trajectories

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.

Human Microbiome Fusobacterium Nucleatum in Esophageal Cancer Tissue Is Associated with Prognosis

2016 365 citations Kensuke Yamamura, Yoshifumi Baba et al. Clinical Cancer Research profile →

Peers

Countries citing papers authored by Hiroshi Sawayama

Since Specialization

Citations

This map shows the geographic impact of Hiroshi Sawayama'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 Hiroshi Sawayama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hiroshi Sawayama more than expected).

Fields of papers citing papers by Hiroshi Sawayama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hiroshi Sawayama. 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 Hiroshi Sawayama. The network helps show where Hiroshi Sawayama may publish in the future.

Co-authorship network of co-authors of Hiroshi Sawayama

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroshi Sawayama. A scholar is included among the top collaborators of Hiroshi Sawayama 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 Hiroshi Sawayama. Hiroshi Sawayama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Prolonged door-to-antibiotics time is associated with high hospital mortality in patients with perforated colorectal peritonitis 2023 ·Langenbeck s Archives of Surgery ·Katsuhiro Ogawa, (unknown), Ryuichi Karashima, Hidetoshi Nitta, Toshiro Masuda, K. Matsumoto, Hiroshi Sawayama, Yuji Miyamoto, Hideo Baba, Hiroshi Takamori	2
2	Preoperative skeletal muscle status is associated with tumor‐infiltrating lymphocytes and prognosis in patients with colorectal cancer 2022 ·Annals of Gastroenterological Surgery ·Nobuya Daitoku, Yuji Miyamoto, Yukiharu Hiyoshi, Ryuma Tokunaga, Yuki Sakamoto, Hiroshi Sawayama, Takatsugu Ishimoto, Yoshifumi Baba, Naoya Yoshida, Hideo Baba	9
3	Pathologic complete response after laparoscopic surgery following treatment with nivolumab and ipilimumab for anticancer drug-resistant MSI-high descending colon cancer: a case report and literature review 2022 ·SHILAP Revista de lepidopterología ·Hiroshi Sawayama, Yuji Miyamoto, Katsuhiro Ogawa, Mayuko Ohuchi, (unknown), (unknown), (unknown), Naoya Yoshida, Hideo Baba	4
4	Clinicopathological characteristics and prognosis of poorly cohesive cell subtype of gastric cancer 2022 ·International Journal of Clinical Oncology ·Kenichi Nakamura, Kojiro Eto, Shiro Iwagami, Katsuhiro Ogawa, Hiroshi Sawayama, Takatsugu Ishimoto, Masaaki Iwatsuki, Yoshifumi Baba, Yuji Miyamoto, Naoya Yoshida, Hideo Baba	17
5	A retrospective study of preoperative malnutrition based on the Controlling Nutritional Status score as an associated marker for short-term outcomes after open and minimally invasive esophagectomy for esophageal cancer 2022 ·Langenbeck s Archives of Surgery ·(unknown), Naoya Yoshida, Kazuto Harada, Kojiro Eto, Hiroshi Sawayama, Masaaki Iwatsuki, Shiro Iwagami, Yoshifumi Baba, Yuji Miyamoto, Hideo Baba	9
6	C-Reactive Protein Levels After Esophagectomy are Associated with Increased Surgical Complications and Poor Prognosis in Esophageal Squamous Cell Carcinoma Patients 2022 ·Annals of Surgical Oncology ·Kazuto Harada, Chihiro Matsumoto, Tasuku Toihata, Keisuke Kosumi, Masaaki Iwatsuki, Yoshifumi Baba, Mayuko Ohuchi, Kojiro Eto, Katsuhiro Ogawa, Hiroshi Sawayama, Shiro Iwagami, Yuji Miyamoto, Naoya Yoshida, Hideo Baba	7
7	Index of estimated benefit from lymph node dissection for stage I–III transverse colon cancer: an analysis of the JSCCR database 2022 ·Langenbeck s Archives of Surgery ·Hiroshi Sawayama, Yuji Miyamoto, Katsuhiro Ogawa, Mayuko Ohuchi, Ryuma Tokunaga, Naoya Yoshida, Hirotoshi Kobayashi, Kenichi Sugihara, Hideo Baba	0
8	Preoperative transferrin level is a novel prognostic marker for colorectal cancer 2021 ·Annals of Gastroenterological Surgery ·Hiroshi Sawayama, Yuji Miyamoto, Yukiharu Hiyoshi, Mototsugu Shimokawa, (unknown), Takahiko Akiyama, Yuki Sakamoto, Nobuya Daitoku, Naoya Yoshida, Hideo Baba	14
9	Overall survival after recurrence in stage I–III colorectal cancer patients in accordance with the recurrence organ site and pattern 2021 ·Annals of Gastroenterological Surgery ·Hiroshi Sawayama, Yuji Miyamoto, Yukiharu Hiyoshi, Katsuhiro Ogawa, Rikako Kato, Takahiko Akiyama, Yuki Kiyozumi, Naoya Yoshida, Hideo Baba	9
10	Clinical Significance of Pretreatment Red Blood Cell Distribution Width as a Predictive Marker for Postoperative Morbidity After Esophagectomy for Esophageal Cancer: A Retrospective Study 2021 ·Annals of Surgical Oncology ·Naoya Yoshida, (unknown), Tasuku Toihata, Kazuto Harada, Kojiro Eto, Hiroshi Sawayama, Masaaki Iwatsuki, Yohei Nagai, Takatsugu Ishimoto, Yoshifumi Baba, Yuji Miyamoto, Hideo A. Baba	7
11	Clinical Impact of Operative Order in Laparoscopic Simultaneous Resection for Synchronous Colorectal Liver Metastases 2021 ·Cancer Diagnosis & Prognosis ·(unknown), Hiromitsu Hayashi, Yuji Miyamoto, Katsunori Imai, Yuki Kitano, Takayoshi Kaida, Hiroshi Sawayama, Toru Beppu, Yo‐ichi Yamashita, Hideo Baba	4
12	Precision medicine for adjuvant chemotherapy of resected colorectal cancer 2020 ·Annals of Gastroenterological Surgery ·Yuji Miyamoto, Yukiharu Hiyoshi, Hiroshi Sawayama, Ryuma Tokunaga, Hideo Baba	7
13	Nivolumab exerts therapeutic effects against metastatic lesions from early gastric adenocarcinoma with a small proportion of neuroendocrine carcinoma after gastrectomy: a case report 2020 ·Clinical Journal of Gastroenterology ·Hiroshi Sawayama, Yoshihiro Komohara, (unknown), Kazuya Sakata, Noboru Takata, (unknown), Kazunori Harada, Hideo Baba	4
14	Abstract 3556: Nrf2 promotes esophageal cancer cell proliferation via metabolic reprogramming and ROS detoxification 2017 ·Cancer Research ·Yuki Kitano, Yoshifumi Baba, Shigeki Nakagawa, Kosuke Mima, Hiroshi Sawayama, Masaaki Iwatsuki, Yasuo Sakamoto, Yo‐ichi Yamashita, Naoya Yoshida, Hideo A. Baba	1
15	Human Microbiome Fusobacterium Nucleatum in Esophageal Cancer Tissue Is Associated with Prognosis breakdown → 2016 ·Clinical Cancer Research ·Kensuke Yamamura, Yoshifumi Baba, Shigeki Nakagawa, Kosuke Mima, Keisuke Miyake, Kenichi Nakamura, Hiroshi Sawayama, Koichi Kinoshita, Takatsugu Ishimoto, Masaaki Iwatsuki, Yasuo Sakamoto, Yo‐ichi Yamashita, Naoya Yoshida, Masayuki Watanabe, Hideo Baba	365
16	Cancer-associated fibroblast-derived CXCL12 causes tumor progression in adenocarcinoma of the esophagogastric junction 2015 ·Medical Oncology ·Hidetaka Sugihara, Takatsugu Ishimoto, Tadahito Yasuda, Daisuke Izumi, Kojiro Eto, Hiroshi Sawayama, Keisuke Miyake, Junji Kurashige, Yu Imamura, Yukiharu Hiyoshi, Masaaki Iwatsuki, Shiro Iwagami, Yoshifumi Baba, Yasuo Sakamoto, Yuji Miyamoto, Naoya Yoshida, Masayuki Watanabe, Hiroshi Takamori, Hideo Baba	39
17	Small Molecule Agonists of PPAR-γ Exert Therapeutic Effects in Esophageal Cancer 2013 ·Cancer Research ·Hiroshi Sawayama, Takatsugu Ishimoto, Masayuki Watanabe, Naoya Yoshida, Hidetaka Sugihara, Junji Kurashige, Kotaro Hirashima, Masaaki Iwatsuki, Yoshifumi Baba, Eiji Oki, Masaru Morita, Yoshinobu Shiose, Hideo Baba	51
18	Safety of polypropylene mesh for incarcerated groin and obturator hernias: a retrospective study of 110 patients 2013 ·Hernia ·Hiroshi Sawayama, (unknown), Tomotake Okuma, Koji Inoue, Kazuhiro Yamamoto, Hideo Baba	52
19	Identification of miR-30e* Regulation of Bmi1 Expression Mediated by Tumor-Associated Macrophages in Gastrointestinal Cancer 2013 ·PLoS ONE ·Hidetaka Sugihara, Takatsugu Ishimoto, Masayuki Watanabe, Hiroshi Sawayama, Masaaki Iwatsuki, Yoshifumi Baba, Yoshihiro Komohara, Motohiro Takeya, Hideo Baba	51
20	Adenocarcinoma of the minor duodenal papilla: Report of a case 2011 ·Surgery Today ·Toshiyuki Okuma, (unknown), Shinya Abe, Kensuke Yamamura, Hironobu Shigaki, Hiroshi Sawayama, Hideyuki Tanaka, Takao Mizumoto, Yuji Yamaguchi, (unknown), (unknown), (unknown), (unknown), Seiji Mita, Keiichiro Kanemitsu	4

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.

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