Calcification in Malignancy BREAST CA BILATERAL PRIMARY LUNG CANCER AND IPF (UIP)73 year old female with left mastectomy and IPF with new onset bilateral upper lobe masses. The LUL mass has scattered calcifications, and the right shows early cavitation.Both lesions are PET positiveThe LUL lesion was biopsied revealing squamous cell carcinoma with calcifications showing Ashley Davidoff MD TheCommonVein.net