Definitions for "Atypia"
Histological or cytological abnormal changes in epithelial cells. See also dysplasia.
a condition of being abnormal or not typical.
Cells that look different from normal cells. A diagnosis does NOT mean you have cancer. But it may mean you are at increased risk of developing cancer.
Keywords:  deviation, normal, typical
Deviation from the normal or typical state
Keywords:  ordinary, usual
not usual or ordinary.