A 46-year-old woman presents to your family practice clinic after noticing a lump in her right breast 3 weeks ago. The lump is not cyclical and not painful. She has no nipple discharge, skin change or fever. Her mother was diagnosed with breast cancer at age 58, and she takes no medications and has no allergies. On examination, there is a 2-cm firm, non-tender, mobile mass in the upper outer quadrant of the right breast, with no skin dimpling, nipple retraction or palpable axillary or supraclavicular nodes. The left breast is normal.
| Heart rate | 76/min |
| Respiratory rate | 14/min |
| Temperature | 36.8 °C |
| O2 saturation | 99%, room air |
| Blood pressure | 124/78 mm Hg |
Question 1 of 27
Which one of the following is the most appropriate next step in the management of this patient?
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