Metastasis of pulmonary carcinoma to the nail unit.
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000556:secondary*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D009260:Nail Diseases / Q000473:pathology*; D009362:Neoplasm Metastasis