P2 Importance of breast tumour margins and how to measure them effectively. (April 2018) - Saunders, C.M.; Watts, L.; Allen, W.M.; Kennedy, K.M.; Fang, Q.; Chin, L.; Curatolo, A.; Zilkens, R.; Chin, S.L.; Dessauvagie, B.F.; Latham, B.; Kennedy, B.