Table 3.

Percent of patients with stage II-III breast cancer within each follow-up year that received at least one surveillance advanced imaging scan (N =10,838)^†

ER, PR, HER2Neu Risk Group	N	Year 1*  (N=10,838)	Year 2*  (N=10,114)	Year 3*  (N=9,517)	Year 4 (N=9,061)
Overall	10838	13.5%	10.0%	8.1%	6.0%
ER or PR Pos, Her2neu Neg	6354	12.4%	9.7%	7.9%	6.0%
ER and PR Neg, Her2neu Neg	1647	16.4%	10.0%	7.9%	6.2%
ER or PR Pos, Her2neu Pos	1318	14.6%	11.1%	9.9%	6.2%
ER and PR Neg, Her2neu Pos	755	19.2%	14.6%	10.7%	7.2%
Unknown ER/PR and/or Her2neu	764	8.8%	6.9%	4.1%	4.5%

^†Patients were removed from follow-up years the year after death or being diagnosed with a distant recurrence

^*Bolded values indicate significant difference between ER/PR, Her2Neu Status Risk Group and Receipt of Imaging, p<0.001