What are the BIRADS lexicon categories for masses on MRI? (List 3) What are the BIRADS lexicon categories for masses on mammography? What are the BIRADS lexicon categories for masses on ultrasound? (list five) What are the three most common palpable masses? Book traversal links for Masses ‹ Why is it important to obtain implant-displaced views when evaluating a patient with implants? Up What are the BIRADS lexicon categories for masses on MRI? (List 3) ›