Table 2 Histopathological criteria of bronchogenic carcinoma

Side

Right

28

73.7

Left

12

26.3

Site

Upper lobe

32

78.9

Lower lobe

6

15.8

Middle lobe

2

5.3

Histopathological grade

Grade 2

18

47.4

Grade 3

8

15.8

Grade 4

14

36.8

Histopathology

Adenocarcinoma

32

84.2

Squamous cell carcinoma

4

10.6

Large cell carcinoma

2

5.2

Small cell carcinoma

2

5.2

T staging

T1

2

5.2

T2

12

31.6

T3

10

26.3

T4

16

36.8

N staging

N0

18

47.4

N2

14

31.6

N3

8

21.1

M staging

M0

24

57.9

M1

16

42.1

Pathological stage

1a3

12

31.6

3a

10

26.3

4b

16

42.1

Grade (cell diff)

Low (well differentiated)

10

21.1

Intermediate (moderately differentiated)

4

10.5

High (poorly differentiated)

26

68.4