title: A rare case of combined small-cell lung cancer with unusual soft tissue metastasis.
abstract: Combined small-cell lung carcinoma (SCLC) is a rare tumor. We report a case of combined SCLC of the lung, including adenocarcinoma and spindle-shaped cell tumor, with an unusual initial presentation. The patient suffered from a right shoulder mass, subsequently undergoing biopsy. A lung nodule was noted later after complete examination. The diagnosis turned out to be combined cell carcinoma with three different components (small-cell carcinoma, adenocarcinoma, and spindle-shaped cell tumor) after examination upon total removal of the lung nodule by lobectomy. In addition to the rarity of the three components in such a tumor, soft tissue metastasis also made it an unusual case.
authors.affiliation: Division of Hematology-Oncology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Taiwan.
authors.forename: Hui-Hua
authors.initials: HH
authors.lastname: Hsiao
authors.forename: Hui-Jen
authors.initials: HJ
authors.lastname: Tsai
authors.forename: Yi-Chang
authors.initials: YC
authors.lastname: Liu
authors.forename: Yi-Ting
authors.initials: YT
authors.lastname: Tseng
authors.forename: Shi-Bin
authors.initials: SB
authors.lastname: Tseng
authors.forename: Chee-Yin
authors.initials: CY
authors.lastname: Chai
authors.forename: Sheng-Fung
authors.initials: SF
authors.lastname: Lin
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D002277:Carcinoma / Q000473:pathology*; D018288:Carcinoma, Small Cell / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012983:Soft Tissue Neoplasms / Q000556:secondary*