Magnetic-Resonance-Imaging Texture Analysis Predicts Early Progression in Rectal Cancer Patients Undergoing Neoadjuvant Chemoradiation oleh Valerio Nardone, Alfonso Reginelli, Fernando Scala, Salvatore Francesco Carbone, Maria Antonietta Mazzei, Lucio Sebaste, Tommaso Carfagno, Giuseppe Battaglia, Pierpaolo Pastina, Pierpaolo Correale, Paolo Tini, Gianluca Pellino, Salvatore Cappabianca, Luigi Pirtoli