Table 2 General and clinicopathological characteristics of Iranian patients with colorectal cancer (N = 30)

General characteristics

Smoking status

Male/Female (n (%))

Age (Mean ± SD)

Prior cancer

Tumor size (Mean ± SD)

Age of death (Mean ± SD)

Weight loss (Mean ± SD)

Height (Mean ± SD)

Weight (Mean ± SD)

Family history

15 (50%)/15 (50%)

56.40 ± 13.87, ranging from 26 to 78

3.3% (one patient with breast cancer)

5.9 ± 2.1, ranging from 2.5 to 11

58.75 ± 18.03, ranging from 33 to 79

8.66 ± 4.62, ranging from 2 to 16

166.5 ± 9.4, ranging from 153 to 183

66 ± 12.57, ranging from 39 to 95

40%

Non-smoker

DX-smoker at diagnosis but discontinued

Smoker

Ex-smoker

80%

6.7%

10%

3.3%

Alcohol status

Non-drinker

Social drinker

86.7%

13.3%

Site of primary

Invasion, Nodal status, and Tumor deposit

Cecum

Ascending colon

Transverse Colon

Splenic Flexure

Descending Colon

Sigmoid Colon

Rectosigmoid

Rectum

Colon, NOS

20%

10%

3.3%

3.3%

3.3%

13.3%

10%

33.3%

3.3%

Lymphatic

Vascular

Perineural

Perineal

Extramural Blood Vessel

Extra-Nodal Extension

Perforation

Peritoneal Seeding

56.7%

53.3%

33.3%

3.3%

0

10%

10%

10%

Grade

TNM staging

I: (Well Differentiated)

II: Moderately Differentiated

III: Poorly Differentiated

IV: Undifferentiated

13.3%

76.7%

6.7%

3.3%

Stage I

Stage IIA

Stage IIB

Stage IIIB

Stage IIIC

13%

40%

6.7%

26.7%

13.3%

Histology

Adenocarcinoma

Mucinous (colloid) adenocarcinoma

90%

10%

Pathological T

Pathological N and Clinical Metastasis

T2

T3

T4

13.3%

76.7%

10%

N0

N1

N2

M0

60%

26.7%

13.3%

100%