Medical Must-See: Constipation signals a 6cm carcinoma

The 6cm tumour left a US patient blocked up for nine days.
Rachel Fieldhouse
Figure 1. Gross specimen showing a mass in the rectosigmoid colon, along with diverticulosis.

Constipation can often be traced back to changes in routine and diet, but for this US patient, it was a primary symptom of a previously undetected rectosigmoid carcinoma.

The 56-year-old presented to a Chicago ED, reporting abdominal pain and a lack of bowel movements for nine days, without flatus.