A New Score to Assess the Perioperative Period of the Cancer Patient Undergoing Non-Palliative Elective Surgery: A Retrospective Evaluation of a Case Report by PERIDIA Score oleh Letizia Andresciani, Concetta Calabrò, Mariarita Laforgia, Maria Ronchi, Simona De Summa, Christel Cariddi, Rosa Boccuzzi, Anna De Rosa, Elisabetta Rizzo, Giulia Losito, Grazia Bradascio, Gaetano Napoli, Michele Simone, Giuseppe Carravetta, Giovanni Mastrandrea