Table 1:

Patient characteristics and surgical outcomes

Case	Age (years)	Sex	Diagnosis	Location	Tumour size (mm)	Operation procedure	Inter-segment	Operation time	Blood loss (ml)	Duration of chest tube placement (POD)	Duration of hospitalization	Morbidity
1	69	F	PM from mesopharyngeal carcinoma	Rt S6	8.8	Lt S6 segmentectomy	Electrocautery	3 h 39 m	120	3	7	None
2	43	M	PM from thymic carcinoma	Lt S9	21.2	Lt S9 + S10 segmentectomy	Electrocautery	3 h 09 m	24	3	9	None
3	77	F	Multiple lung cancer	Rt S8	13.0	Rt S7 + S8 segmentectomy	Electrocautery	3 h 42 m	68	3	5	None
4	59	M	PM from rectal cancer	Rt S9	19.8	Rt basal segmentectomy	Stapler	3 h 52 m	70	3	5	None

Lt: left; PM: pulmonary metastasis; POD: postoperative days; Rt: right.