Figure 1. (a) 70-year-old man with change in bowel habit. CT shows bowel wall thickening in the proximal transverse colon with normal pericolic fat (arrow). Histopathology of the resected specimen showed a pT4 tumour invading the omentum, together with an extramuscular tissue reaction (grade 2 fibrosis and grade 2 inflammation). (b) 75-year-old woman with anaemia. CT shows bowel wall thickening in the ascending colon with abnormal pericolic fat (arrow). Histopathology of the resected specimen showed a pT2 tumour, together with an extramuscular tissue reaction (grade 2 fibrosis and grade 1 inflammation).
