Original ResearchPublished 12 October 2026EGFR-TKI-associated colitis in non-small cell lung cancer: a retrospective characterization of clinical, radiographic, endoscopic, and histopathologic featuresShujun Wang · Chen Tan · Pufang Shi · Ya Li · Hefeng Zhan · Jiajing LiFrontiers in Pharmacologydoi 10.3389/fphar.2026.1935622