Shelby is a 32 year-old mother of two, who has smoked 1 PPD for the last 15 years, and who comes to see you today for her yearly well woman exam in your family practice clinic. She has a family history, in a single paternal grandmother of breast cancer at age 52. She also has a history of an abnormal cervical cancer screening three years ago requiring colposcopy.
Given her history please consider the following:
Choose one screening test that might be considered either now or in the next few years of Shelby's care. Define the test, its positive predictive value, reliability and validity.