Presentation
Patient presented with abdominal pain, nausea and vomiting.
Patient Data
Age: 60
Gender: Male
Frontal

Air-fluid levels in the upright radiograph, compatible with obstruction. These have a step-ladder appearance.
Axial C+ portal venous phase

Large bowel obstruction due to colorectal carcinoma in the descending colon.
Case Discussion
This case shows a large bowel obstruction due to colorectal carcinoma in the descending colon.