P24. An analysis of non-sentinel node positivity in mastectomy and wide local excision after sentinel node biopsy: when could the axilla be spared?. Issue 11 (November 2015) - Iqbal, Fahad; Bell, Harriet; Natalwala, Ibrahim; Tandon, Megha; Hammond, Lisette; Narayanan, Sankaran; Soumian, Soni; Kirby, Robert