The 3 o'clock location on the left breast corresponds to the outer left breast. According to medical descriptions, the upper outer quadrant of the left breast lies between 12 and 3 o'clock. Radiologists use this "clock-face" description, along with distance from the nipple in centimeters, to precisely describe the location of any findings.
Therefore, to summarize:
- Location: Outer left breast.
- Quadrant: Upper outer quadrant (specifically between 12 and 3 o'clock).
