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Table 2 Pre-operative video-mediastinoscopy, type of VATS major pulmonary resection, final histological diagnosis, p-stage and intra-operative lymphadenectomy

From: Development of a video-assisted thoracoscopic lobectomy program in a single institution: results before and after completion of the learning curve

Variables Group A (LC) Group B p
Procedure
 Video-mediastinoscopy with frozen sections 11 (22 %) 16 (16,6 %) NS
 RUL 15 (30 %) 33 (34,3 %)  
 ML 3 (6 %) 4 (4,2 %)
 RLL 10 (20 %) 18 (18,7 %)
 LUL 16 (32 %) 15 (15,6 %)
 LLL 5 (10 %) 20 (20,8 %)
 Upper bilobectomy 0 1 (1,1 %)
 Left Pneumonectomy 0 1 (1,1 %)
 Segmentectomy 1 (2 %) 4 (4,2 %)
Histology
 Adenocarcinoma 33 (66 %) 71 (74 %) NS
 Squamous cell carcinoma 12 (24 %) 15 (15,6 %)
 Others 5 (10 %) 10 (10,4 %)
  • Large cell carcinoma 1 3
  • Carcinoid 4 7
Pathological T stage
 1a 26 (52 %) 41 (42,7 %) NS
 1b 17 (34 %) 21 (21,8 %)
 2a 6 (12 %) 18 (18,8 %)
 2b 0 6 (6,3 %)
 3 0 7 (7,3 %)
 4 1 (2 %) 3 (3,1 %)
Pathological N stage
 0 44 (88 %) 80 (83,4 %) NS
 1 3 (6 %) 8 (8,3 %)
 2 3 (6 %) 8 (8,3 %)
 Number of nodal station removed 5,78 ± 0,9 6,55 ± 1,1 <0,01
  1. NS not significant