Table 1. Summary of patient characteristics.

Parameter	Mean +/− SD / count
Age (y)		49 ± 10
Pre-tx tumor size (cm)		6.3 ± 3.2
	No.		%
Tumor subtype
IDC	52		90
ILC	3		5
Other	3		5
Responders	42		72
BTS (%)		68 ± 47
Non-responders	16		28
BTS (%)		−16 ± 57

IDC = invasive ductal carcinoma, ILC = Invasive lobular carcinoma, BTS = bulk tumor shrinkage (percent change in tumor size)

± indicates standard deviation