Patterns and predictors of relapse following radical chemoradiation therapy delivered using intensity modulated radiation therapy with a simultaneous integrated boost in anal squam... by Shakir, R, Adams, R, Cooper, R, Downing, A, Geh, I, Gilbert, D, Jacobs, C, Jones, C, Lorimer, C, Namelo, W, Sebag-Montefiore, D, Shaw, P, Muirhead, R