Association of visual and quantitative heterogeneity of 18F-FDG PET images with treatment response in locally advanced rectal cancer: A feasibility study. oleh Paula Martin-Gonzalez, Estibaliz Gomez de Mariscal, M Elena Martino, Pedro M Gordaliza, Isabel Peligros, Jose Luis Carreras, Felipe A Calvo, Javier Pascau, Manuel Desco, Arrate Muñoz-Barrutia