Background: Thymic carcinoid is an exceedingly rare and potentially aggressive malignant tumor of the thymus, accounting for approximately 2.0–4.0% of thymic tumors. It has been reported that 5-year survival rates ranged 68–85% in cases of complete resection, which suggests that local control has a strong effect on prognosis. Recently, the advantages of a minimally invasive approach to thymectomy, robotic-assisted thoracoscopic (RATS) thymectomy, have been widely accepted. While RATS group shows similar length of hospital stay and frequency of complications compared with video-assisted thoracoscopic (VATS) group, it is reported to have significantly shorter surgical time. Case Description: This case report describes a 56-year-old man with locally advanced anterior mediastinal tumor involving the right upper lobe that was resected completely using RATS thymectomy. The surrounding adipose tissue was also removed as lymph node dissection. The patient had an uneventful postoperative recovery without any complications. A histopathological examination revealed a typical thymic carcinoid of Masaoka-Koga stage III, pT3N0M0 stage IIIa (TNM, 8th edition). The patient is still alive with no recurrence of the disease. Conclusions: There have been few reports of patients who received RATS thymectomy for thymic carcinoid. RATS thymectomy might be considered a standard approach for the treatment of thymic tumors.
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