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%