Soji Ozawa

8.9k total citations · 2 hit papers
217 papers, 6.5k citations indexed

About

Soji Ozawa is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Soji Ozawa has authored 217 papers receiving a total of 6.5k indexed citations (citations by other indexed papers that have themselves been cited), including 160 papers in Surgery, 115 papers in Pulmonary and Respiratory Medicine and 34 papers in Gastroenterology. Recurrent topics in Soji Ozawa's work include Esophageal Cancer Research and Treatment (101 papers), Esophageal and GI Pathology (79 papers) and Gastric Cancer Management and Outcomes (61 papers). Soji Ozawa is often cited by papers focused on Esophageal Cancer Research and Treatment (101 papers), Esophageal and GI Pathology (79 papers) and Gastric Cancer Management and Outcomes (61 papers). Soji Ozawa collaborates with scholars based in Japan, United States and China. Soji Ozawa's co-authors include Nobutoshi Ando, Yuko Kitagawa, Masaki Kitajima, Masakazu Ueda, Masayuki Shinoda, Nobuyoshi Shimizu, Osahiko Abe, Yuji Tachimori, Hisahiro Matsubara and Hiroya Takeuchi and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Soji Ozawa

203 papers receiving 6.4k 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.

A Randomized Trial Comparing Postoperative Adjuvant Chemotherapy with Cisplatin and 5-Fluorouracil Versus Preoperative Chemotherapy for Localized Advanced Squamous Cell Carcinoma of the Thoracic Esophagus (JCOG9907)

2011 1.1k citations Nobutoshi Ando, Masayuki Shinoda et al. Annals of Surgical Oncology profile →
A randomized controlled phase III trial comparing two chemotherapy regimen and chemoradiotherapy regimen as neoadjuvant treatment for locally advanced esophageal cancer, JCOG1109 NExT study.

2022 119 citations Soji Ozawa, Hirofumi Kawakubo et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Soji Ozawa Japan	40	4.5k	3.8k	1.5k	1.0k	349	217	6.5k
Nobutoshi Ando Japan	31	3.8k 0.9×	3.4k 0.9×	1.1k 0.8×	597 0.6×	252 0.7×	96	5.2k
Jian‐Wei Xie China	34	1.8k 0.4×	3.0k 0.8×	1.4k 0.9×	937 0.9×	193 0.6×	307	5.0k
Hidenobu Watanabe Japan	46	4.3k 1.0×	3.3k 0.9×	2.9k 1.9×	882 0.9×	119 0.3×	192	7.0k
Keisuke Hata Japan	34	2.0k 0.4×	1.2k 0.3×	2.0k 1.3×	839 0.8×	210 0.6×	301	4.7k
Chao‐Hui Zheng China	33	1.6k 0.4×	2.6k 0.7×	1.2k 0.8×	928 0.9×	200 0.6×	276	4.3k
Hirokazu Noshirο Japan	31	1.4k 0.3×	1.6k 0.4×	1.0k 0.7×	838 0.8×	103 0.3×	171	3.5k
Frank Kullmann Germany	37	1.4k 0.3×	1.3k 0.3×	2.1k 1.4×	748 0.7×	229 0.7×	166	4.5k
Yiqun Zhang China	41	2.3k 0.5×	1.9k 0.5×	758 0.5×	917 0.9×	181 0.5×	172	4.7k
Alessandro Franchi Italy	45	2.0k 0.5×	1.6k 0.4×	2.3k 1.5×	1.5k 1.5×	122 0.3×	257	6.6k
Mitsuo Tachibana Japan	37	1.7k 0.4×	1.6k 0.4×	835 0.6×	813 0.8×	84 0.2×	103	3.5k

Countries citing papers authored by Soji Ozawa

Since Specialization

Citations

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

Fields of papers citing papers by Soji Ozawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Soji Ozawa

This figure shows the co-authorship network connecting the top 25 collaborators of Soji Ozawa. A scholar is included among the top collaborators of Soji Ozawa 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 Soji Ozawa. Soji Ozawa 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

Takiguchi, Hiroto, Kazuo Koyanagi, Soji Ozawa, Tsuyoshi Oguma, & Koichiro Asano. (2024). Detrimental impact of late-onset pneumonia on long-term prognosis in oesophageal cancer survivors. Respiratory Investigation. 62(4). 531–537.

Ozawa, Soji, Koki Hayashi, Motohide Shimazu, et al.. (2023). Laparoscopic Heller myotomy and Dor fundoplication following an unsuccessful peroral endoscopic myotomy. SHILAP Revista de lepidopterología. 9(1). 106–106. 1 indexed citations

Tachimori, Yuji, Soji Ozawa, Hodaka Numasaki, et al.. (2018). Comprehensive Registry of Esophageal Cancer in Japan, 2011. Esophagus. 15(3). 127–152. 50 indexed citations

Koyanagi, Kazuo, Soji Ozawa, Junya Oguma, et al.. (2016). Blood flow speed of the gastric conduit assessed by indocyanine green fluorescence. Medicine. 95(30). e4386–e4386. 86 indexed citations

Yamamoto, Soichiro, Hiroyasu Makuuchi, Nobue Kumaki, et al.. (2015). A Long Surviving Case of Multiple Early Stage Primary Malignant Melanoma of the Esophagus and a Review of the Literature.. PubMed. 40(3). 90–5. 8 indexed citations

Tachimori, Yuji, Soji Ozawa, Hodaka Numasaki, et al.. (2014). Supraclavicular node metastasis from thoracic esophageal carcinoma: A surgical series from a Japanese multi-institutional nationwide registry of esophageal cancer. Journal of Thoracic and Cardiovascular Surgery. 148(4). 1224–1229. 45 indexed citations

Chino, Osamu & Soji Ozawa. (2011). [Diagnosis and treatment of spontaneous esophageal rupture].. PubMed. 64(8 Suppl). 758–63. 1 indexed citations

Ozawa, Soji, Mitsuteru Yoshida, Kenichi Higuchi, et al.. (2008). Endoluminal Gastroplication for Gastroesophageal Reflux Disease. Nihon Kikan Shokudoka Gakkai Kaiho. 59(2). 136–136.

Suda, Koichi, Yuko Kitagawa, Soji Ozawa, et al.. (2007). Neutrophil elastase inhibitor improves postoperative clinical courses after thoracic esophagectomy. Diseases of the Esophagus. 20(6). 478–486. 50 indexed citations

10.

Kawakubo, Hirofumi, Soji Ozawa, N Ando, et al.. (2005). Alterations of p53, cyclin D1 and pRB expression in the carcinogenesis of esophageal squamous cell carcinoma. Oncology Reports. 14(6). 1453–9. 26 indexed citations

11.

Ozawa, Soji, et al.. (2004). A Resected Case of a Small Cell Carcinoma of the Esophagus and Analysis of Cases in the Literature. The Japanese Journal of Gastroenterological Surgery. 37(2). 123–129. 7 indexed citations

12.

Takeuchi, Hiroya, Soji Ozawa, Nobutoshi Ando, et al.. (2003). Cell-Cycle Regulators and the Ki-67 Labeling Index Can Predict the Response to Chemoradiotherapy and the Survival of Patients With Locally Advanced Squamous Cell Carcinoma of the Esophagus. Annals of Surgical Oncology. 10(7). 792–800. 46 indexed citations

13.

Matsuhira, Nobuto, Yasuhide Morikawa, Toshiharu Furukawa, et al.. (2002). Development of a Master Slave Combined Manipulator for Laparoscopic Surgery - Functional Model and Its Evaluation. Default journal. 52–59. 3 indexed citations

14.

Kawakubo, Hirofumi, et al.. (2002). A CASE OF ESOPHAGOGASTORIC PHLEGMON SUCCESSFULLY TREATED BY MEDICATION. Acta gastro-enterologica belgica. 44(6). 990–995. 3 indexed citations

15.

Kato, Yutaro, et al.. (2002). A Case of an Early Adenocarcinoma arising in an Extremely Long Barrett's Esophagus.. The Japanese Journal of Gastroenterological Surgery. 35(12). 1783–1787. 3 indexed citations

16.

Koyanagi, Kazuo, Soji Ozawa, Nobutoshi Ando, et al.. (2000). Telomerase activity as an indicator of malignant potential in iodine-nonreactive lesions of the esophagus. Cancer. 88(7). 1524–1529. 17 indexed citations

17.

Ando, Nobutoshi, Soji Ozawa, Yuko Kitagawa, Yotaro Shinozawa, & Masaki Kitajima. (2000). Improvement in the Results of Surgical Treatment of Advanced Squamous Esophageal Carcinoma During 15 Consecutive Years. Annals of Surgery. 232(2). 225–232. 463 indexed citations

18.

Ando, N, et al.. (1995). [Neoadjuvant chemotherapy and chemoradiotherapy in the treatment of esophageal cancer].. PubMed. 22(13). 1878–85. 6 indexed citations

19.

Ando, Nobutoshi, et al.. (1995). Merits and Demerits due to 3-Field Dissection for Cancer of the Thoracic Esophagus.. The Japanese Journal of Gastroenterological Surgery. 28(4). 937–941. 1 indexed citations

20.

Ozawa, Soji, Masakazu Ueda, Nobutoshi Ando, Osahiko Abe, & Nobuyoshi Shimizu. (1988). Epidermal Growth Factor Receptors in Cancer Tissues of Esophagus, Lung, Pancreas, Colorectum, Breast and Stomach. Japanese Journal of Cancer Research. 79(11). 1201–1207. 62 indexed citations

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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