Prognostic impact of log odds of positive lymph nodes (LODDS) in the stratification of patients with rectal cancer Vincenzo Vigorita; Oscar Cano-Valderrama; Raquel Sánchez-Santos; Marta Paniagua-Garcia-Señorans; Enrique Moncada; Gianluca Pellino; Jesús Paredes-Cotoré; Enrique Casal;

Has the COVID-19 pandemic changed the clinical picture and tumour stage at the time of presentation of patients with colorectal cancer? A retrospective cohort study Oscar Cano-Valderrama; Raquel Sánchez-Santos; Vincenzo Vigorita; Marta Paniagua; Erene Flores; Lucia Garrido; Cristina Facal; Alejandro Ruano; Alberto San-Ildefonso; Enrique Moncada;

Trends of social networks in the American College of Surgeons Clinical Congress and the Congreso Nacional de Cirugía. Analysis of the #ACSCC20 and #CNCirugia2020 Sergi Sanchez-Cordero; Salvador Morales-Conde; Raquel Sánchez Santos; Inés Rubio Perez; Roser Farré Font; Jose Luis Ramos Rodriguez; José M Balibrea del Castillo; Julio Mayol;