[Port site recurrence after thoracoscopic resection of the pulmonary metastasis of sigmoid colon cancer].

A 71-year-old female underwent thoracoscopic resection for pulmonary metastasis from sigmoid colon cancer in March 2012. After 7 months, postoperative computed tomography (CT) showed a chest tumor around the left 6th rib. At the same time, she complained of left chest pain.