Table 1.

The number of lesion∕image pairs in corresponding and noncorresponding datasets. The noncorresponding pairs were constructed from cases of the same breasts but different physical lesions.

	Corresponding dataset	Noncorresponding dataset
Benign
Images	112	72
Lesions	56	39
Malignant
Images	134	64
Lesions	67	19
Mixed
Images	—	28
Lesions	—	14