The abscopal effect: efficacy of radiotherapy in patients on progression after treatment with ipilimumab 3 mg/kg ================================================================================================================ * Antonio M Grimaldi * Ester Simeone * Diana Giannarelli * Marco Palla * Paolo Muto * Sara Falivene * Fabio Sandomenico * Antonella Petrillo * Marcello Curvietto * Assunta Esposito * Miriam Paone * Corrado Caracò * Gennaro Ciliberto * Nicola Mozzillo * Paolo A Ascierto