Case 71
A CT for staging oesophageal carcinoma
This elderly patient presented with dysphagia from a low oesophageal carcinoma. This CT scan was performed to stage the disease, and the dilated proximal oesophagus can be seen in the posterior mediastinum, along with some fluid within a fissure in the right hemithorax.
What other, unrelated and incidental finding is shown on these three CT images?

Answer...
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