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A chest X-ray is a picture of the chest that shows your heart, lungs, airway, blood vessels, and lymph nodes. A chest X-ray also

Melanoma is the most serious type of skin cancer because it grows so quickly. When it spreads (metastasizes) to other parts of the

This surgery is done to see if melanoma skin cancer has spread to a lymph node. Some lymph nodes are located near the surface of

Discusses radiation therapy, including external, internal, and systemic forms. Covers how it works. Also covers risks of radiation

An alanine aminotransferase (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also

Surgery to remove (excise) a melanoma removes the entire melanoma along with a border (margin) of normal-appearing skin. The width

Discusses melanoma, skin cancer that may be caused by too much sun exposure. Covers symptoms. Discusses how it is diagnosed

Follow these tips to avoid compressing the spinal discs or straining your lower back when you are lifting. Keep a wide base of

This test for Tay-Sachs disease measures the amount of an enzyme called hexosaminidase A (Hex A) in the blood. Hex A breaks down

What is tuberculosis (TB)? Tuberculosis (TB) is a serious disease caused by a type of bacteria that is spread through the air. TB