50. 下列何者不是造成 hypercoagulability 的原因? (A) aspirin use (B) antithrombin III deficiency (C) protein C or protein S deficiency (D) cancer

1. Malignant tumors are characterized by the following findings, except (A) Tumors remain localized, will not spread to other sites, and are amenable to local surgical removal (B) Tumors can invade and destroy adjacent structures and spread to distant sites (metastasize) to cause death (C) Lack of differentiation (D) Pleomorphism (E) Mitoses