Camblor Alvarez, Miguel, Ocon Breton, Maria Julia, Luengo Perez, Luis Miguel, Antonio Virizuela, Juan, Sendros Madrono, Maria Jose, Cervera Peris, Mercedes, GRANDE PULIDO, ENRIQUE, Alvarez Hernandez, Julia, Jimenez Fonseca, Paula. Nutritional support and parenteral nutrition in the oncological patient: an expert group consensus report