Final answer:
Low molecular weight heparin (LMWH) is the medication of choice to prevent and treat DVT in malignancy. Hence the correct answer is option B
Step-by-step explanation:
In malignancy, the medication of choice to prevent and treat deep vein thrombosis (DVT) is Low molecular weight heparin (LMWH). LMWH is a type of anticoagulant that helps prevent the formation of blood clots. It is effective in reducing the risk of DVT in cancer patients.
Hence the correct answer is option B