Since 2008, 46 patients have undergone thoracoscopic segmentectomy without mini-thoracotomy for almost pure ground-glass opacity (GGO) lesion by thin-section computed tomography (CT) finding which was difficult to be performed wedge resection. No patient was converted to both thoracotomy and lobectomy. The operation time ranged from 75 to 240 min (mean, 161 min), and blood loss ranged from 1 to 110 g( mean, 25 g). We used stapler in 29 patients and electrocautery in 17 patients to deviate inter segmental plane. Postoperative complications were seen in 6 patients (13%), major complication was air leakage in 6 patients. There was no in-hospital mortality. Only 1 patient had bone metastasis on 11 months after operation. Thoracoscopic segmentectomy considered to be a safe and feasible procedure for the selected patients with small-sized peripheral lung cancer.
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