Most types of breast cancer produce similar symptoms and are discovered the same way—finding a strange new lump during a self-exam, or a healthcare provider spotting something suspicious during a ...

Hepatitis A blood tests check for immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies. An IgG-positive and IgM-negative result may suggest immunity to hepatitis A. A doctor may request a ...