Adenomas have atypical histological features and are low grade or benign. Borderline tumors are moderately atypical, and neoplasias are severely atypical and may show evidence of invasion 13, 14.
Los adenomas tienen características histológicas de atipia de bajo grado o benigna, los borderline, atipia moderada, y los neoplásicos, atipia severa o evidencia de invasión 13, 14.