Table 1.

Main clinical, pathological, and imaging features of the malignant lung lesions in our sample.

Feature	N = 101
Age (years), mean ± SD (range)	66.4 ± 9.4 (41-85)
Gender (female/male), n	45/56
Smoking history (yes/no), n	84/17
History of another primary cancer (yes/no), n	33/68
Histopathology (ADC/SCC/other), n	58/27/16
T stage (1/2/3/4), n	39/47/6/9
N stage (0/1/2/3), n	53/20/20/8
M stage (0/1), n	79/22
Location (RUL/ML/RLL/LUL/LLL), n	31/3/27/20/20
Position (central/peripheral), n	6/95
Diameter (millimeters), mean ± SD (range)	32.3 ± 14.6 (10-98)

ADC, adenocarcinoma; SCC, squamous cell carcinoma; other, 7 small cell carcinomas, 5 carcinoids, 1 poorly differentiated carcinoma, 1 unspecified carcinoma, 1 large call carcinoma, 1 adenosquamous carcinoma; RUL, right upper lobe; ML, middle lobe; RLL, right lower lobe; LUL, left upper lobe; LLL, left lower lobe.