APRIL protein expression in tumour stroma and survival of colorectal cancer patients. (a). Kaplan-Meier survival plots for tumour stroma APRIL protein expression analysed by immunohistochemistry of 234 colorectal cancer patients following surgical resection.(b) Stromal staining for APRIL in Stage III patients following surgical resection (n = 102) (c) Combined analysis of stage III patients (n = 102) stratified according to adjuvant therapy and tumour stroma APRIL protein. P value is log rank test.