Feature | P28031 | P31010a | P26007 | |
---|---|---|---|---|
Histological type | IDC | Left breast DCIS only | Right breast IDC | IDC with medullary features |
Size (cm) (invasive) | 1.5 | N/A | 0.7 | 3.0b |
BRE histological grade (IDC) | 2 | N/A | 3 | 3 |
Associated DCIS | Cribriform, grade 1 | Clinging micropapillary, grade 2 | Micropapillary and clinging, grade 3 | Not present |
Nodal involvement | 0/1 (sentinel) | N/A | 3/16 | 0/14c |
Estrogen receptor | +++ (>90%) | + (20%) | - | - |
Progesterone receptor | +++ (>90%) | ++ (50%) | - | - |
HER2-neu expression | - | ++ | - (+ in 10% CIS) | + (10% of cells) |