Varicose veins can occur anywhere in the body, but are more commonly found on the legs. Hemorrhoids, a type of varicose vein, can appear during pregnancy around the anus or in the vagina. Spider veins ...

When an artery is needed it's usually taken from the patient's chest during the by-pass surgery itself. When a vein is required, surgeons normally tap the patient's leg. The process, referred to ...