Symptoms: Left breast throbbing pain now radiating to neck, shoulder, and arm. CInlammation: left breast larger then right. Tests: CBC normal. No elevated WBC count. Infammatory markers neg. Protein C and ESR neg. Breast ultrasound neg for implant rupture or any abnormalities Breast MRI neg for malignancy, cysts, etc. Physical exam: Implant palpation does not reveal an obvious contracture. Left breast does feel inflamed. No redness or warmth. Prednisone taper not helpful. What is wrong?