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Table 1

From: How spiculation affects the likelihood of malignancy in screen-detected masses: a review of 974 masses excised in the first 8 years of the East Sussex, Brighton & Hove Breast Screening Service

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