Table 2 Age-adjusted incidence rates and incidence rate ratios of small cell lung carcinoma and extrapulmonary small cell carcinoma according to primary site and stage, SEER-13, 1992-2010*

Total

16,142

23.69

35,813

52.51

3,767

5.57

2.22

(2.18, 2.26)^†

SCLC

14,963

21.98

34,770

50.99

2,226

3.30

2.32

(2.28, 2.37)^†

EPSCC

1,179

1.71

1,043

1.52

216

0.31

0.89

(0.82, 0.97)^†

Salivary glands

37

0.06

16

0.02

<16

~

0.44

(0.23, 0.81)^†

Esophagus

73

0.11

93

0.14

21

0.03

1.27

(0.92, 1.75)

Stomach

22

0.03

53

0.08

<16

~

2.42

(1.45, 4.17)^†

Colon/rectum

76

0.11

152

0.22

<16

~

1.95

(1.47, 2.61)^†

Gallbladder

16

0.02

24

0.04

<16

~

1.48

(0.75, 2.97)

Pancreas

20

0.03

140

0.21

<16

~

6.87

(4.30, 11.61)^†

Breast (female)

47

0.12

21

0.05

<16

~

0.44

(0.25, 0.75)^†

Cervix

174

0.46

80

0.21

<16

~

0.46

(0.35, 0.60)^†

Uterus

28

0.07

25

0.07

<16

~

0.91

(0.51, 1.62)

Ovary

35

0.09

72

0.19

<16

~

2.11

(1.38, 3.25)^†

Prostate

66

0.23

108

0.38

32

0.11

1.62

(1.18, 2.25)^†

Urinary bladder

390

0.58

123

0.18

16

0.02

0.32

(0.26, 0.39)^†