Coexistence of TP53 and KRAS mutations identifies a molecular subset of biliary tract cancer with poor overall survival after first-line immunochemotherapy.

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Title: Coexistence of TP53 and KRAS mutations identifies a molecular subset of biliary tract cancer with poor overall survival after first-line immunochemotherapy.
Authors: Ishikawa S; Department of Clinical Oncology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Ouchi K; Department of Clinical Oncology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Wakayama S; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Oyamada S; Clinical Research Data Center, Tohoku University Hospital, Sendai, Miyagi, Japan., Iwasaki T; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Numakura R; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Yoshida Y; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Taniguchi S; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Kasahara Y; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Komine K; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Saijo K; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Shirota H; Department of Clinical Oncology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan., Kawakami H; Department of Clinical Oncology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; Department of Medical Oncology, Tohoku University Hospital, Sendai, Miyagi, Japan. Electronic address: kawakami_h@tohoku.ac.jp.
Source: European journal of cancer (Oxford, England : 1990) [Eur J Cancer] 2026 Jun 25; Vol. 242, pp. 116826. Date of Electronic Publication: 2026 May 23.
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Science Ltd Country of Publication: England NLM ID: 9005373 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-0852 (Electronic) Linking ISSN: 09598049 NLM ISO Abbreviation: Eur J Cancer Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1879-0852
DOI:10.1016/j.ejca.2026.116826