Endocrine System Case Study
Joan Barker, age fifty-six years, comes for a routine physical examination. She states that she has been in perfect health and has no complaints. She has a history of asthma but currently requires no medications of any kind. Her physical examination is completely normal, except for a 2-cm firm, nontender, nonmobile mass in the upper outer quadrant of her left breast. She indicates that she does not perform regular breast self-examination and that she did not know the mass was there. She has no family history of breast cancer and has never been pregnant.
Answer the following questions about Ms. Barker’s condition: