We all know that the human body has its defense mechanisms to protect itself from foreign invaders. One such line of defense is blood clotting, which is a common way of protection in case of an ...

A pulmonary embolism occurs when a blood clot that has developed elsewhere in your body (often in your arm or leg) travels through your bloodstream to your lungs and becomes stuck in a blood vessel.

Cancer and some treatments for cancer may cause changes to your blood that can encourage the formation of blood clots. Having cancer can greatly increase your risk of a pulmonary embolism. A pulmonary ...