This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following drug is commonly used in treatment for cancer associated thromboembotismt 
Select and explain. 
A. Low molecular weight heparin, B. anti-thrombin III inhibitors, C. Direct Xainhibitors, D. Warfarin
A: Low molecular weight heparin
Answer: A: Low molecular weight heparin 
Explanation: Ans: A. Low molecular weight heparinCurrent guideline-endorsed therapy options for cancer-associated thrombosis include low molecularweight heparin (LMWH), unfractionated heparin (UFH), warfarin & fondaparinux.All current guidelines recommend LMWH for at least 3-6 months in cancer-associated VTE.