Thromboembolism after pelvic surgery is usuallyfrom the veins -

Ans. is 'c' i.e., Femoral Calf veins are the most common site of deep venous thrombosis in post operative period, but risk of embolism from calf venous thrombosis is extremely low. DVT of the femoropopliteal veins are the most common site of pulmonary thromboembolism.