Rumiko Tashima

13.7k total citations · 1 hit paper
21 papers, 11.5k citations indexed

About

Rumiko Tashima is a scholar working on Oncology, Cancer Research and Surgery. According to data from OpenAlex, Rumiko Tashima has authored 21 papers receiving a total of 11.5k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Oncology, 13 papers in Cancer Research and 6 papers in Surgery. Recurrent topics in Rumiko Tashima's work include Breast Cancer Treatment Studies (12 papers), HER2/EGFR in Cancer Research (7 papers) and Breast Lesions and Carcinomas (6 papers). Rumiko Tashima is often cited by papers focused on Breast Cancer Treatment Studies (12 papers), HER2/EGFR in Cancer Research (7 papers) and Breast Lesions and Carcinomas (6 papers). Rumiko Tashima collaborates with scholars based in Japan. Rumiko Tashima's co-authors include Reiki Nishimura, Nobuyuki Arima, Yasuo Toyozumi, Tomofumi Osako, Mamiko Fujisue, Yasuyuki Nishiyama, Masahiro Nakano, Yasuhiro Okumura, Masahiko Nakata and Masakatsu Sase and has published in prestigious journals such as PLoS ONE, Cancer Research and Journal of Clinical Pathology.

In The Last Decade

Rumiko Tashima

20 papers receiving 11.4k 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.

Evaluation of Factors Related to Late Recurrence - Later than 10 Years after the Initial Treatment - in Primary Breast Cancer

2013 11.1k citations Reiki Nishimura, Tomofumi Osako et al. Oncology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Rumiko Tashima Japan	10	5.6k	5.4k	5.1k	2.1k	1.5k	21	11.5k
Yasuo Toyozumi Japan	14	5.8k 1.0×	5.5k 1.0×	5.2k 1.0×	2.2k 1.0×	1.5k 1.0×	37	11.8k
Mamiko Fujisue Japan	11	5.5k 1.0×	5.4k 1.0×	5.1k 1.0×	2.1k 1.0×	1.5k 1.0×	18	11.4k
Tomofumi Osako Japan	19	6.0k 1.1×	5.7k 1.1×	5.2k 1.0×	2.2k 1.0×	1.6k 1.0×	42	12.1k
Nobuyuki Arima Japan	26	6.3k 1.1×	6.0k 1.1×	5.7k 1.1×	2.4k 1.1×	1.7k 1.1×	86	13.4k
Øystein Fluge Norway	25	6.4k 1.1×	6.1k 1.1×	6.5k 1.3×	1.9k 0.9×	1.7k 1.1×	91	13.9k
Reiki Nishimura Japan	27	6.8k 1.2×	6.2k 1.2×	5.4k 1.1×	2.6k 1.2×	1.8k 1.2×	131	13.3k
Chad Livasy United States	35	6.6k 1.2×	6.0k 1.1×	3.9k 0.8×	1.8k 0.8×	1.4k 0.9×	95	11.3k
Yasuyuki Nishiyama Japan	16	5.7k 1.0×	5.4k 1.0×	5.4k 1.1×	2.2k 1.0×	1.5k 1.0×	38	12.0k
Turid Aas Norway	28	5.7k 1.0×	5.3k 1.0×	5.7k 1.1×	1.3k 0.6×	2.0k 1.3×	59	11.5k
Joseph Geradts United States	55	6.5k 1.2×	5.1k 1.0×	5.1k 1.0×	2.1k 1.0×	1.9k 1.2×	195	12.8k

Countries citing papers authored by Rumiko Tashima

Since Specialization

Citations

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

Fields of papers citing papers by Rumiko Tashima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Rumiko Tashima

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

Hirota, Masahiko, Hiroki Sugita, Shinobu Honda, et al.. (2017). No-Touch Total Mesopancreas Excision for Pancreatic Head Cancer. JOP, journal of the pancreas. 18(3). 2 indexed citations

Sugita, Hiroki, Takahiko Akiyama, Rumiko Tashima, et al.. (2017). Internal hernia after laparoscopic right hemicolectomy, report of a case. Journal of Surgical Case Reports. 2017(5). rjw217–rjw217. 3 indexed citations

Nakano, Masahiro, Mamiko Fujisue, Rumiko Tashima, et al.. (2015). Survival time according to the year of recurrence and subtype in recurrent breast cancer. The Breast. 24(5). 588–593. 14 indexed citations

Arima, Nobuyuki, Reiki Nishimura, Tomofumi Osako, et al.. (2015). A Comparison of the Hot Spot and the Average Cancer Cell Counting Methods and the Optimal Cutoff Point of the Ki-67 Index for Luminal Type Breast Cancer. Oncology. 90(1). 43–50. 13 indexed citations

Osako, Tomofumi, Reiki Nishimura, Yasuyuki Nishiyama, et al.. (2015). Efficacy of intraoperative entire-circumferential frozen section analysis of lumpectomy margins during breast-conserving surgery for breast cancer. International Journal of Clinical Oncology. 20(6). 1093–1101. 35 indexed citations

Arima, Nobuyuki, Reiki Nishimura, Tomofumi Osako, et al.. (2015). The importance of tissue handling of surgically removed breast cancer for an accurate assessment of the Ki-67 index. Journal of Clinical Pathology. 69(3). 255–259. 33 indexed citations

Tashima, Rumiko, Reiki Nishimura, Tomofumi Osako, et al.. (2015). Evaluation of an Optimal Cut-Off Point for the Ki-67 Index as a Prognostic Factor in Primary Breast Cancer: A Retrospective Study. PLoS ONE. 10(7). e0119565–e0119565. 63 indexed citations

Tashima, Rumiko, Reiki Nishimura, Nobuyuki Arima, et al.. (2015). P260 Evaluation of PgR expression as a prognostic factor in luminal HER2-negative breast cancer. The Breast. 24. S116–S116. 2 indexed citations

Nishimura, Reiki, Tomofumi Osako, Yasuyuki Nishiyama, et al.. (2014). Prognostic significance of Ki-67 index value at the primary breast tumor in recurrent breast cancer. Molecular and Clinical Oncology. 2(6). 1062–1068. 46 indexed citations

10.

Nishiyama, Yasuyuki, et al.. (2013). A Case of Recurrent Metastasis in the Supraclavicular and Axillary Lymph Nodes and Vertebrae following Irradiation and Paclitaxel Plus Bevacizumab Administration. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 74(8). 2081–2084.

11.

Nishimura, Reiki, Tomofumi Osako, Yasuyuki Nishiyama, et al.. (2013). Evaluation of Factors Related to Late Recurrence - Later than 10 Years after the Initial Treatment - in Primary Breast Cancer. Oncology. 85(2). 100–110. 11102 indexed citations breakdown →

12.

Arima, Nobuyuki, Yasuo Toyozumi, Reiki Nishimura, et al.. (2013). Abstract P1-02-01: Pre-analytical setting is critical for an assessment of the Ki-67 labeling index for breast cancer. Cancer Research. 73(24_Supplement). P1–2. 2 indexed citations

13.

Fujisue, Mamiko, Reiki Nishimura, Yasuhiro Okumura, et al.. (2012). Clinical Significance of CK19 Negative Breast Cancer. Cancers. 5(1). 1–11. 22 indexed citations

14.

Nagahama, Hiroyasu, Masakuni Tateyama, Motohiko Tanaka, et al.. (2012). [A case of cholangiolocellular carcinoma combined with intrahepatic cholangiocarcinoma diagnosed after 4 years follow-up for hepatic hemangioma].. PubMed. 109(2). 231–9. 5 indexed citations

15.

Nishimura, Reiki, Tomofumi Osako, Yasuhiro Okumura, et al.. (2011). Changes in the ER, PgR, HER2, p53 and Ki-67 biological markers between primary and recurrent breast cancer: discordance rates and prognosis. World Journal of Surgical Oncology. 9(1). 131–131. 84 indexed citations

16.

Tashima, Rumiko, et al.. (2008). Carcinoma Associated with Anal Fistula; A Clinicopathologics Study of 7 Patients. The Japanese Journal of Gastroenterological Surgery. 41(4). 469–473. 4 indexed citations

17.

Tashima, Rumiko & Reiki Nishimura. (2008). Changes in biological markers, particularly hormone receptors, due to pre-operative chemotherapy (epirubicin/docetaxel) in operable breast cancer. Oncology Reviews. 2(4). 229–234. 1 indexed citations

18.

Nishimura, Reiki, et al.. (2006). Investigation of factors related to periods to ipsilateral breast tumor recurrence after breast-conserving surgery and measures for preventing recurrence in early breast cancer. Breast Cancer. 13(2). 152–158. 4 indexed citations

19.

Ishiko, Takatoshi, Toru Beppu, Shinichi Sugiyama, et al.. (2005). [Local ablation therapy for hepatocellular carcinoma (HCC) on the liver surface: radio-frequency ablation aimed at tumor marginal pre-ablation under endoscopic surgery].. PubMed. 32(11). 1657–9. 1 indexed citations

20.

Sase, Masakatsu, Masahiko Nakata, Rumiko Tashima, & H. Kato. (2000). Development of gastric emptying in the human fetus. Ultrasound in Obstetrics and Gynecology. 16(1). 56–59. 17 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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