A Nurse Performing a Breast Examination on a Female Patient

A nurse performing a breast examination on a female patient places the patient in a supine position, places a pillow under the right shoulder, and asks the patient to place her right lower arm above her head. What is the reason for this position?

A) Flatten the breast tissue evenly over the chest wall.
B) Help the patient to relax and feel more comfortable.
C) Reveal lumps deep in the breast more easily.
D) Expose any drainage from the nipples.