Table 1

Mammographic feature
Number of benign lesions (%)
Number of in situ cancers (%)
Number of invasive cancers (%)
Total

Mass with spiculation and microcalcalcification
7 (4.3)
4 (2.4)
153 (93.3)
164
Mass with spiculation and no microcalcification
17 (3.4)
4 (0.8)
483 (95.8)
504
Total with spiculation
24 (3.6)
8 (1.2)
636 (95.2)
668
Mass without spiculation but with microcalcification
27 (30)
11 (12.2)
52 (57.8)
90
Mass without spiculation or microcalcification
75 (34.7)
12 (5.6)
129 (59.7)
216
Total without spiculation
102 (33.3)
23 (7.5)
181 (59.2)
306

Horn et al. Breast Cancer Res 2004 6(Suppl 1):P22   doi:10.1186/bcr841