AUTHOR=Zhu Pei , Sun Qingming , Xu Sheng , Dong Wanhui TITLE=A case report: interstitial pneumonia following treatment of gastric cancer with sintilimab in combination with S-1 JOURNAL=Frontiers in Pharmacology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1508558 DOI=10.3389/fphar.2025.1508558 ISSN=1663-9812