title: Solitary nodule on the foot of a 37-year-old man. Atypical fibroxanthoma (AFX).
mesh_terms: D000328:Adult; D005350:Fibroma / Q000473:pathology*; D005534:Foot Diseases / Q000473:pathology*; D006801:Humans; D008297:Male; D012867:Skin / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*