Mammogram showed normal. ultrasound normal. fluctuating pain in breasts and right armpit. sporadic sharp nipple pain on right. advice please.

Breast pain: pain in your right breast and armpit may be breast related but could also be related to a pinched nerve in your neck or shoulder region. If you are having any numbness or weakness on the right side of your shoulder/arm/neck, it would make a pinched nerve problem more likely. If the breast pain persists and there was no obvious cause, you can ask your doctor to get an MRI of the breast too

No worries: It is unlikely that your symptoms are due to breast cancer or significant breast disease. If the symptoms persist, however, you should see your doctor for evaluation.