Prediction of postoperative venous thrombosis.
D000328:Adult; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications; D011336:Probability; D013924:Thrombophlebitis / Q000209:etiology*; D014629:Vagotomy, Proximal Gastric / Q000009:adverse effects