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Primary capicua transcriptional repressor-rearranged sarcoma of the lung. A 60-year-old man had a malignant left lower lung tumour with no metastases and underwent video-assisted thoracoscopic left lower lobectomy and lymphadenectomy. Pathological examination led to a diagnosis of capicua transcriptional repressor (CIC)-rearranged sarcoma. He has had 3.5 years of recurrence-free survival. CIC-rearranged sarcoma is a Ewing-like sarcoma that shows pathological findings similar to Ewing sarcoma. Most of CIC-rearranged sarcoma is CIC-double homeobox 4 protein (DUX4) fusion. Pulmonary CIC-rearranged sarcoma is extremely rare and has an unfavourable prognosis. However, complete resection can produce prognosis of long-term survival, and thus, surgery is an important option.