Table 2.

Invasive cancer characteristics

Diagnostic (PRoBE 2)Screening (PRoBE 1)
ER positive
 Yes (% of known)114 (76%)29 (83%)
 No376
 Unknown30
PR positive
 Yes (% of known)95 (64%)23 (66%)
 No5112
 Unknown80
HER2 positive
 Yes (% of known)19 (13%)8 (25%)
 No12020
 Equivocal104
 Unknown53
Stage
 I48 (51%)15 (45%)
 IIA36 (38%)9 (27%)
 IIB11 (12%)6 (18%)
 IIIA01
 IIIC02
 Unstaged592