Consecutive cases (16) SPLC (10)
Gender    
 Male 12 (75.0%) 9 (90%)
Female 4 (25.0%) 1 (10%)
Mean age (years)  70 70.5
Previous surgery 11 (68,8%) 10 (100%)
lobectomy 9 (56.3%) 8 (80%)
pneumonectomy 2 (12.5%) 2 (20%)
Histology 18 12
adenocarcinoma 7 (38.9%) 5 (41.6%)
squamouscell 6 (33.3%) 2 (16.7%)
notconclusive 3 (16.7%) 3 (25%)
notperformed 2 (11.1%) 2 (16.7%)
Stage    
Ia 10 (62.4%) 7 (70%)
Ib 3 (18.8%) 1 (10%)
IIa,b 0 0
IIIa 3 (18.8%) 2 (20%)
Localisation 18 12
central 2 (11.1%) 1 (8.3%)
peripheral 16 (88.9%) 11 (91.7%)
Multiple ipsilateral tumors 2 (12.5%)   2 (10%)
Malignancy presentation    
metachrounous 5 (31.3%) 5 (50%)
synchronous  2 (12.5%) 2 (20%)
synchronousor metastasis of primary lung cancer 3 (18.8%) 3 (30%)
primary 5 (31.2%) 0
metastasis of primary lung cancer   1 (6.2%)   0
Oncological comorbidities  4 (25%) 2 (20%)
Previous radiation therapy and chemotherapy for primary lung cancer 3 (18.8%) 2 (20%)
Table1: Patients characteristics. Legend; SPLC: Second Primary Lung Cancer.