The Following Patients Call the Outpatient Clinic

The following patients call the outpatient clinic.Which phone call should the nurse return first?

A) A 44-year-old patient who has bloody discharge after a hysteroscopy earlier today
B) A 64-year-old patient who is experiencing shoulder pain after a laparoscopy yesterday
C) A 34-year-old patient who is short of breath after pelvic computed tomography (CT) with contrast
D) A 54-year-old patient who has severe breast tenderness following a needle aspiration breast biopsy