First case report of transformation of adenocarcinoma to adenosquamous carcinoma with giant-cell carcinoma harboring HER2 mutation after zongertinib (BI 1810631) resistance.

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Title: First case report of transformation of adenocarcinoma to adenosquamous carcinoma with giant-cell carcinoma harboring HER2 mutation after zongertinib (BI 1810631) resistance.
Authors: Lin JX; Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China., Yin K; Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China., Yan LX; Department of Pathology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China., Zhu Y; Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China., Xu BF; Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China., Sun YL; Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China., Wu YL; Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China., Tu HY; Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China. Electronic address: thy0934789@163.com.
Source: Lung cancer (Amsterdam, Netherlands) [Lung Cancer] 2026 Jun; Vol. 216, pp. 108912. Date of Electronic Publication: 2026 Jan 22.
Publication Type: Case Reports; Journal Article
Journal Info: Publisher: Elsevier Scientific Publishers Country of Publication: Ireland NLM ID: 8800805 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1872-8332 (Electronic) Linking ISSN: 01695002 NLM ISO Abbreviation: Lung Cancer Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1872-8332
DOI:10.1016/j.lungcan.2026.108912