title: Fever, flank pain, and unilateral renal enlargement.
mesh_terms: D000038:Abscess / Q000000981:diagnostic imaging*; D000328:Adult; D006801:Humans; D007674:Kidney Diseases / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography; D013203:Staphylococcal Infections / Q000000981:diagnostic imaging*