Table 1 Baseline characteristics of the study population

Gender

Male

97

74%

Female

34

26%

Smoking

Smokers

90

68.7%

Non – smokers

41

31.3%

Histopathological subtype

Adenocarcinoma

106

80.9%

Large cell carcinoma

20

15.3%

Adenosquamous

4

3.1%

Muco-epidermoid carcinoma

1

0.8%

Laterality of the disease

Right lung

77

58.8%

Left lung

54

41.22%

Histopathological grade

I

2

1.5%

II

57

43.9%

III

71

54.6%

Stage at presentation

I

3

2.3%

II

4

3.1%

III

42

32.0%

IV

82

62.6%