Presentation
Cough, status post resection right breast cancer.
Patient Data
> 3.5 cm soft tissue mass partially obscured by the right first rib. Lungs otherwise clear, status post right axillary lymph node dissection.
Status post-biopsy of 3.7 cm right upper lobe soft tissue mass with small right pneumothorax and minimal ground-glass opacity anterior to the mass, likely a small amount of hemorrhage secondary to the biopsy. No other nodules/masses, no lymphadenopathy or pleural effusion. The right breast mass likely represents a seroma.
Case Discussion
The 2 leading differential diagnostic considerations for this mass were solitary breast metastasis or primary lung cancer. The biopsy showed lung cancer. The first rib and clavicle often obscure apical lesions, consequently, lesions at the lung apex are often missed. Fortunately, in this case, the mass was seen on the plain radiograph.
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