Table 6. Number of 3-year survivors and 5-year survivors according to clinical factors.

Clinical factor	No. of patients	No. of 3-year survivors	No. of 5-year survivors
Total	38	10	4
Surgical procedure
Sublob.	10	1	0
Over lob.	28	9	4
EGFR mutation
Positive	6	2	1
Negative or unknown	32	8	3
T status
T1–2	20	3	2
T3–4	18	7	2
N status
Negative	16	6	3
Positive	22	4	1
cM status
cM0	11	5	2
cM1a	8	0	0
cM1b	13	4	1
cM1c	6	1	1
Meta site
With brain	5	2	1
Without brain	14	3	1
Local control
Controlled	13	5	2
Uncontrolled	6	0	0
M category
M better	24	10	4
M worse	14	0	0

Sublob, sublobar resection; lob., lobectomy; EGFR, epidermal growth factor receptor.