Quantifying evolution of early dysplastic lesions in ulcerative colitis predicts future colorectal cancer risk by Curtius, K, Al Bakir, I, Baker, A, Clarke, T, Nasreddin, N, Kopczynska, M, Agnew, M, Smith, K, Moorghen, M, Rodriguez-Justo, M, Jansen, M, East, J, Wang, L, Hart, A, Graham, T