Fig. 1From: Off-label use of common predictive biomarkers in gastrointestinal malignancies: a critical appraisalEvidence-based suggestions to aid decision making for off-label predictive and prognostic biomarkers in malignancies of the gastrointestinal tract. There are three degrees of evidence: high (green), intermediate (yellow), low (dark grey) and no evidence (pale grey). Based on tumor type: a) colorectal adenocarcinoma, b) gastroesophageal adenocarcinoma, c) small bowel adenocarcinoma, d) pancreatic adenocarcinoma, e) biliary adenocarcinoma and f) hepatocellular carcinomaBack to article page