👉 Lymphangiectasia, or lymphangioendothelioma, is a type of cancer that occurs in the blood vessels. It's also known as "blood vessel cancer" because it affects blood vessels like veins and arteries. This type of cancer can grow quickly and spread to other areas of the body. It can affect any part of the body, but it most often affects the lymphatic system, which is a network of tiny tubes that carry lymph液(lymph) from the