HMGB1 and gastric cancer: Various studies report on the overexpression and increased release of HMGB1 in cancer, e.g., in non-small-cell lung carcinoma (NSCLC) [12,13,14,15], breast cancer [16], gastric cancer [17,18], hepatocellular carcinoma [19,20], pancreatic carcinoma [21], colorectal carcinoma [22,23] and lymphoma [24].