Table 3.

Surgical information and pathological status after surgery

Location, cases
LU  LL  RU  RM  RL	22 9 25 3 16
Surgical approach
VATS  Open	51(68%) 24(32%)
Surgical resection
Lobectomy  Bilobectomy  Sleeve lobectomy  Pneumonectomy	58(77%) 7 (9%) 8 (11%) 2(3%)
Operative time, min
Median (range)	130(70–240)
Estimated blood loss, ml
Median (range)	80(20–500)
Length of postoperative hospitalization, days
Median (range)	5.2(3–16)
Pathological response
PCR  non-PCR  mPR  non-mPR	27(36%) 48(64%) 45(60%) 30(40%)
Nodal status after neo-adjuvant therapy
N2 clearance  N2 residual  N1 clearance  N1 residual	34(67%) 15(33%) 20(77%) 6 (23%)
Postoperative complications
Prolonged air leak > 5 days  Pneumonia  Pleural effusion duration > 5 days  Atrial fibrillation  Recurrent nerve paralysis  Chylothorax  Postoperative bleeding	12(16%) 5 (7%) 8 (11%) 8 (11%) 2 (3%) 1 (1%) 1 (1%)

LU, left upper; LL, left lower; RU, right upper; RM, right middle; RL, right lower; pCR, pathological complete response; MPR, major pathological response