Fig. 1

Representative images of chest CT scans and pathologic assessment. a Chest CT scans during the patient’s clinical course. The yellow arrows indicated patchy shadows in both lungs. b Preoperative CT scans on February 27 showed tumor extension, and postoperative CT scans indicated well-healed anastomosis on March 11, 2020. The red arrows indicate tumors or anastomosis, respectively. c Pathologic assessment of tissue specimen from colon cancer patient with SARS-CoV-2 infection. a The cut surface showed an ulcerative mass and necrosis in the center. b The histologic diagnosis of mucinous adenocarcinoma (H&E; 40×). c Degeneration, necrosis and slough of focal mucosal epithelial cells in terminal ileum, and d in colon of the ileocecal area (H&E;100×). The black arrows indicated histologic changes. CT = computed tomography; H&E = Hematoxylin & eosin staining