The most common area of tenderness is the upper outer quadrant of the breast near the armpit. The pain usually begins the week before your.
We'll detail eight possible sources of pain under the left armpit as well Breast cancer may be another cause of underarm swelling and pain.
Breast pain may be linked to a menstrual cycle, and it is usually not a tenderness or discomfort in the breast or underarm region, and can occur for a number . If breast pain symptoms are severe, and none of the therapies mentioned above.