Table 1. The characteristics of colorectal cancer (CRC) patients and tumours for this study.

	Number (n)	Proportion (%)
All cases	24	100
Gender
Male	14	58.3
Female	10	41.7
Age (years)
⩽60	15	62.5
>60	9	37.5
Primary tumour
Colon	16	64.0
Rectum	8	36.0
K-RAS status
Wild type	14	58.3
Mutant	10	41.7
Stage (tumour–node–metastasis (TNM))
T1	1	4.2
T2	4	16.7
T3	12	50.0
T4	7	29.1
Histology type
Well differentiated	4	16.7
Moderately differentiated	15	62.5
Poorly differentiated	5	20.8