Fig. 2From: A pan-cancer analysis of collagen VI family on prognosis, tumor microenvironment, and its potential therapeutic effectSurvival analysis of collagen VI family in pan-cancer. The forest plots show the correlation between COL6A gene expression and overall survival rate by the Cox method. HR < 1 represents low risk, while HR > 1 represents high risk. The details are described in the Additional file 1: Table S4. HR: Hazard ratioBack to article page