Lin P.-Y.JIN-YUAN SHIHMU-ZON WUYU-TING CHANGPAN-CHYR YANG2020-07-032020-07-0320080016-5107https://scholars.lib.ntu.edu.tw/handle/123456789/508306[SDGs]SDG3aged; article; biopsy technique; blood chemistry; case report; consciousness; coughing; dyspnea; Ewing sarcoma; gastrointestinal tract; hospital; hospital admission; human; human cell; human tissue; male; neuroectoderm tumor; neurologic examination; physical examination; priority journal; thorax radiography; tumor cell; vital sign; Aged, 80 and over; Biopsy, Needle; Disease Progression; Endoscopy, Gastrointestinal; Fatal Outcome; Gastrointestinal Hemorrhage; Gastrointestinal Neoplasms; Humans; Immunohistochemistry; Male; Neoplasm Invasiveness; Neuroectodermal Tumors, Primitive, Peripheral; Rare Diseases; Sarcoma, Ewing's; Tomography, X-Ray ComputedExtensive GI tract involvement of Ewing's sarcoma/peripheral primitive neuroectodermal tumor in an octogenarianjournal article10.1016/j.gie.2007.10.053182494052-s2.0-44349168269