A MR-based IGRT platform using the KPC transgenic mouse model of pancreatic cancer by Thompson, J, Beech, J, Allen, D, Gilchrist, S, Newman, R, Kinchesch, P, Gomes, A, D'Costa, Z, Bird, L, Vallis, K, Boghozian, R, Kavanagh, A, Sansom, O, Tullis, I, Muschel, R, Hill, M, Vojnovic, B, Smart, S, Fokas, E