title: An Unusual Painless Groin Mass in an Elderly Man.
authors.affiliation: Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital Songshan Branch, Taipei, Taiwan.
authors.forename: Chung-Liang
authors.initials: CL
authors.lastname: Chiang
authors.affiliation: Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
authors.forename: Zheng-Yi
authors.initials: ZY
authors.lastname: Huang
authors.affiliation: Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
authors.forename: Bao-Chung
authors.initials: BC
authors.lastname: Chen
mesh_terms: D000008:Abdominal Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary* / Q000628:therapy; D000369:Aged, 80 and over; D001706:Biopsy; D017809:Fatal Outcome; D006119:Groin; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D009372:Neoplasms, Connective Tissue / Q000000981:diagnostic imaging / Q000556:secondary* / Q000628:therapy; D010166:Palliative Care; D049268:Positron-Emission Tomography; D012983:Soft Tissue Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000628:therapy; D017154:Stromal Cells / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome; D014463:Ultrasonography