Acute lymphocytic leukemia (ALL) is a fast-growing form of leukemia that starts in white blood cells called lymphocytes. It is the most common form of leukemia diagnosed in children, …
Kaposi sarcoma is caused by a virus called the Kaposi sarcoma herpesvirus (KSHV). The virus causes tumors and/or blotches on the skin that usually are red, purple or brown …