Table 2.

Demographics.

Characteristics	Malignant SPLs	Benign SPLs	AC	SCC
Number of patients	77	35	40	25
Gender (M:F)	45: 32	25: 10	21: 19	17: 8
Subtypes	AC (N = 40)	Focal pneumonia (N=31)
	SCC (N = 25)	Bronchial adenoma (N=2)
	Small cell carcinoma (N = 7)	Hamartoma (N=1)
	Lung metastasis (N = 5)	Infectious granuloma (N=1)

AC, adenocarcinoma; SCC, squamous cell carcinoma; SPLs, solitary pulmonary lesions.