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Hot weather, clear skies, and extra leisure time in the summer mean that many people spend hours in the sun. Lengthy sun exposure can raise the risk for skin cancer if you don't take steps to protect yourself.

When the weather warms up, you may start to think about taking your kids to the pool or beach. How's your swimming safety knowledge?

Hundreds of people drown each year in the U.S., including those who die in boating accidents and in swimming pools. Summertime is a prime time for water-related injuries.

A cerebral arteriogram is a catheter-based exam of the blood vessels in the brain, head, and neck.

A cholecystectomy is surgery to remove your gallbladder.

Vascular studies use ultrasound (sound wave) technology to assess the flow of blood in arteries and veins in the arms, legs, and neck.

Abdominal aortic aneurysm (AAA) repair is done to treat an aneurysm. An aneurysm is a bulging, weak spot in the aorta that may be at risk for rupturing. In this case, the aneurysm is in part of the aorta that is in the abdomen.

Femoral popliteal bypass surgery is used to treat blocked femoral artery. The femoral artery is the largest artery in the thigh. It supplies oxygen-rich blood to the leg. Blockage is due to plaque buildup or atherosclerosis. Atherosclerosis in the leg arteries causes peripheral vascular disease. The same process causes heart disease and stroke.

A muscle biopsy involves removing a small piece of tissue to diagnose disease. The tissue is usually removed using a needle.