Lobectomy and wedge resection on the opposite side were performed in 13 patients, segmentectomy and wedge resection were performed in 1, and bilateral wedge resection was done in 5.

• 13例施行了肺叶切除和对侧肺楔形切除术，1例行肺段切除和楔形切除术，而另5例则行双侧肺楔形切除术。