UGIB: upper gastrointestinal bleeding; DLBCL: diffuse large B-cell lymphoma; MCV: mean corpuscular volume; MCHC: mean corpuscular hemoglobin concentration; RDW: red cell distribution width; RBC: red blood cell count; ALT: alanine aminotransferase; AST: aspartate aminotransferase; ALP: alkaline phosphatase. Here, GPT is linked to diffuse large B-cell lymphoma.