Table 1.

Breast tumor specimen and ROI totals by tissue subtype in this study.

Tissue subtype	Specimen count	ROI count	ROI Size (average ± 1 std mm2)
Healthy and abnormal benign
Adipose tissue	49	93	43 ± 32
Normal connective tissue	13	20	85 ± 66
Fibrocystic disease	14	22	112 ± 133
Invasive cancer
IDCa low-grade	10	10	46 ± 33
IDCa intermediate-grade	13	13	59 ± 56
IDCa high-grade	10	10	82 ± 58
Invasive lobular carcinoma	9	9	99 ± 102

IDCa invasive ductal carcinoma.