title: An 86-year-old man with a unilateral pectoral swelling.
authors.affiliation: Department of Internal Medicine, Buddhist Dalin Tzu Chi General Hospital, Chiayi County, Taiwan.
authors.forename: Hunag-Bin
authors.initials: HB
authors.lastname: Tsai
authors.forename: Hung-Bin
authors.initials: HB
authors.lastname: Tsai
authors.forename: Chih-Wei
authors.initials: CW
authors.lastname: Lin
authors.forename: Chin-Chi
authors.initials: CC
authors.lastname: Kuo
authors.forename: Jeng-Wen
authors.initials: JW
authors.lastname: Huang
authors.forename: Kuan-Yu
authors.initials: KY
authors.lastname: Hung
mesh_terms: D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D006406:Hematoma / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D009135:Muscular Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D010369:Pectoralis Muscles / Q000000981:diagnostic imaging / Q000473:pathology*; D014463:Ultrasonography