Table 2 Influence of pre-operative surgery on axilla surgery (% of patients)

From: Breast-conserving surgery with or without radiotherapy vs mastectomy for ductal carcinoma in situ: French Survey experience

 

No biopsy

Previous biopsy

P -value

Sentinel node biopsy

15.4

25

<0.0001

Axillary dissection

14

8.2

0.0009

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