
Association of blood transfusion and venous thromboembolism after colorectal cancer resection
Keywords: DVT; deep venous thrombosis; PE; pulmonary embolism; VTE; venous thromboembolism; CPT; current procedural terminology; RBC; red blood cell; ICD-9; international classification of diseases-9; ACS; American College of Surgeons; Deep venous thrombosis; Pulmo