Clinical Features of Gastric Signet Ring Cell Cancer : Results from a Systematic Review and Meta-Analysis - Dal Cero, Mariagiulia (Institut Hospital del Mar d'Investigacions Mèdiques) ; Bencivenga, Maria (Borgo Trento Hospital) ; Liu, Drolaiz H. W. (Kepler University Hospital and Johannes Kepler University) ; Sacco, Michele (Borgo Trento Hospital) ; Alloggio, Mariella (Borgo Trento Hospital) ; Kerckhoffs, Kelly G. P. (VieCuri Medical Centre) ; Filippini, Federica (Borgo Trento Hospital) ; Saragoni, Luca (Morgagni-Pierantoni Hospital) ; Iglesias, Mar (Institut Hospital del Mar d'Investigacions Mèdiques) ; Tomezzoli, Anna (Verona University Hospital) ; Carneiro, Fátima (Centro Hospitalar Universitário São João (Porto, Portugal)) ; Grabsch, Heike I. (University of Leeds) ; Verlato, Giuseppe (University of Verona) ; Torroni, Lorena (University of Verona) ; Piessen, Guillaume (Lille University Hospital) ; Pera Román, Manuel (Institut Hospital del Mar d'Investigacions Mèdiques) ; de Manzoni, Giovanni (Borgo Trento Hospital) ; Universitat Autònoma de Barcelona