Fig. 1From: Response to PD-1 inhibitor in SMARCB1‑deficient undifferentiated rectal carcinoma with low TMB, proficient MMR and BRAF V600E mutation: a case report and literature reviewClinical findings. A, B Colonoscopy revealed an ulcerated and irregular mass approximately 8-12 cm from the anus with obvious lumen stenosis. C, D Computed tomography (CT) shows thickened walls of the sigmoid and upper rectum. Multiple regional lymph nodes showed strengthening signalsBack to article page