Table 2 The pathologic results and follow-up results of solitary pulmonary lesions in each group

Malignant

89

63

16

2

5

3

Adenocarcinoma

59

40

11

2

5

1

Squamous cell carcinoma

16

12

4

Adenosquamous carcinoma

2

1

1

Small cell lung cancer

7

7

Neuroendocrine carcinoma

4

3

1

Primitive neuroectodermal tumor

1

1

Benign

50

12

7

10

7

14

Inflammatory pseudotumor

10

5

1

3

1

Tuberculosis

7

2

1

2

1

1

Lung abscess

4

4

Cartilaginous hamartoma

4

1

1

2

Isolated fibrous tumor

2

2

Sclerosing hemangioma

1

1

Neurilemmoma

1

1

Benign in the follow-up period

21

4

1

4

3

9