Clinicopathological features of Egyptian colorectal cancer patients regarding somatic genetic mutations especially in KRAS gene and microsatellite instability status: a pilot study

Egyptian Journal of Medical Human Genetics

Table 1 Clinicopathological features of the studied CRC patients

CRC patients’ characteristics	Number (%)
Gender
Males	7/19 (36.8%)
Females	12/19 (63.2%)
Age (years)
Range	17-72
Mean ± SD	40.42 ± 17.54
Median	40
≥ 40	11/19 (57.9)
< 40	8/19 (42.1%)
Tumor location
Proximal colon	10/19 (52.6%)
Distal colon	6/19 (31.6%)
Rectum	3/19 (15.8%)
Tumor site
Left	9/19 (47.4%)
Right	10/19 (52.6%)
Size of tumor (cm)
< 5	14/19 (73.7%)
≥ 5	5/19 (26.3%)
Tumor stage
I	0
II	8/19 (42.1%)
III	10/19 (52.6%)
IV	1/19 (5.3%)
No. of nodes
N0 (0)	10/19 (52.6%)
N1(1–3)	8/19 (42.1%)
N2 (> 3)	1/19 (5.3%)
Depth of invasion
T1	0
T2	0
T3	18/19 (94.7%)
T4	1/19 (5.3%)
Distant metastasis
Yes	1/19 (5.3%)
No	18/19 (94.7%)