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 |