主题：Personal view for SaSu -- humduke

First, it must be a venous thrombosus which will be treated by antithrombosis therapy that prevent further formation of thrombosus and not directly on the existed one.It is a safe way dealing with senior patient. It seldom cause embolization of pulmonary artery, which is the serious, fatal complication.

Good luck to you and your father.

Sorry for only print English in office PC.