title: Diagnostic quiz #50. Case no. 1: Malignant neoplasm. Case no. 2: Addison's disease.
mesh_terms: D000224:Addison Disease / Q000175:diagnosis*; D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000175:diagnosis*; D009062:Mouth Neoplasms / Q000175:diagnosis*