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Table 2 Clinical data of tumors

From: Surgical outcomes of one-stage resection for synchronous multiple primary lung adenocarcinomas with no less than three lesions

Variables Number(%) Mean value
Total number of tumors 95  
Tumor characteristics (mm)   
 pGGO 43 (45.3) 9.60 ± 4.23
 mGGO 39 (41.1) 16.37 ± 6.35
 SN 13 (13.6) 24.01 ± 11.67
Tumor type pattern per patient   
 Multiple pGGO 5 (17.9)  
 Multiple mGGO 3 (10.7)  
 pGGO + mGGO 13 (46.4)  
 SN + GGO 4 (14.3)  
 Multiple SN 3 (13.7)  
Location of tumors   
 RUL 44 (46.3)  
 RML 14 (14.7)  
 RLL 12 (12.6)  
 LUL 17 (17.9)  
 LLL 8 (8.5)  
Location of lobe   
 Same lobe 6 (21.4)  
 Different lobe 2 (7.1)  
 Combined lobea 20 (71.5)  
Size of tumors (mm)   15.89 ± 8.97
 ≤ 10 mm 52 (54.7)  
 < 10 mm,  ≤ 20 mm 32 (33.7)  
 > 20 mm 11 (11.6)  
Histology in all tumors   
 AIS 27 (28.4)  
 MIA 17 (17.9)  
 IA (WD/MD/PD) 51 (9/36/6)(53.7)  
EGFR in tumors per patient   
 WT 6 (21.4)  
 Mutation 22 (72.6)  
  1. SN, solid nodule; pGGO, pure ground-glass opacity; mGGO, mixed ground-glass opacity;
  2. RUL, right upper lobe; RML, right middle lobe; RLL, right lower lobe; LUL, left upper lobe; LLL, Left lower lobe; aMore than 2 cancers, at least 2 tumors were located at the same lobe and the other or others located at the different; AAH, atypical adenocarcinoma hyperplasia; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma; IA, invasive adenocarcinoma; WD, well-differentiated; MD, moderately-differentiated; PD, poorly differentiated