Figure 4

The expression level of FZD7 mRNA in primary colorectal tumour and non-tumour tissues. (A) Comparison of tumour with non-tumour tissues. The mRNA levels of FZD7 in primary colorectal tumour and non-tumour tissues were examined by real-time PCR. Tumours were divided into four groups according to the pathological stage (see Table 1). (B) Effect of clinical course after surgery on FZD7 expression level. Patients were divided into disease free after surgery and recurrence or death after surgery groups according to the follow-up information after surgery. Disease free indicated a patient group with no recurrence after surgery. Recurrence+Death indicated a patient group with recurrence or death after surgery. (C) Kaplan–Meier analysis for overall survival of patients. High or low indicates the patients with the FZD7 mRNA levels ⩾ or < the mean value (11.1) of all tumours tested.