43-Year-Old Man Presents With a Skin Lesion & Lung Mass

Poll

A 43-year-old man presents with a dark, irregular lesion on his back. Further work up reveals the presence of a mass in the right upper lobe in his lung. Sections of the skin and lung lesions are shown, respectively. What is your diagnosis?

A 43-year-old man presents with a dark, irregular lesion on his back.  Further work up reveals the presence of a mass in the right upper lobe in his lung.  Sections of the skin and lung lesions are shown below, respectively.

What is your diagnosis?

A. Pulmonary adenocarcinoma and concurrent melanoma
B. Melanoma and large cell carcinoma of the lung
C. Cutaneous melanoma metastatic to lung
D. Blue nevus of the skin and large cell carcinoma of the lung
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