Milwaukee Bucks guard Damian Lillard is likely out indefinitely because of deep vein thrombosis in his right calf.

The signs of a dangerous blood clot can vary depending on its location. Some people may also not experience any symptoms.

Deep vein thrombosis is an abnormal clot within a vessel where the congealing of blood blocks the flow through ... “When you have a DVT in the leg or the arm, there’s a chance that it will ...

The blood-clotting disorder also ... though there's no way of saying if that caused the clot or vice-versa. No matter the cause, it is diagnosed through ultrasound testing, in which a probe ...