Presentation
2 months of cough, shortness of breath and abdominal pain.
Patient Data
Gender: Male
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There are multiple, bilateral, rounded soft tissue density masses on the chest x-ray. There are also moderate sized bilateral pleural effusions, but the mediastinum looks normal, and there are no obvious bony lesions.
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This shows a large right sided renal mass, later confirmed to be a renal cell carcinoma.
Case Discussion
The pulmonary lesions have the look of cannonball metastases - the main differential for the causes is metastatic renal cell carcinoma and choriocarcinoma - other causes are much less common.