Table 1. Surgical procedures.

Operation	Sites	Cases	Total
Unilateral	Left upper lobe	16	96
	Left lower lobe	12
	Right upper lobe	38
	Right upper-medium lobe	2
	Right middle lobe	13
	Right lower lobe	13
	Right medium-lower lobe	1
	Right lower lobe + mediastinal tumor	1
Bilateral	Right medial lobe + left upper lobe wedge	2	9
	Right upper lobe + left lower lobe wedge	2
	Right upper lobe + left upper lobe wedge	3
	Left upper lobe + right medial lobe wedge	1
	Right lower lobe + left lower lobe wedge	1