Pretreatment neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio can predict survival for patients with primary sinonasal cancers , according to a study published online Dec. 29 in Head & Neck . Mario Turri-Zanoni, M.D., from the University of Insubria in Varese, Italy, and colleagues conducted a retrospective review of patients with SNC who had been treated using endoscopic approaches from 2002 to 2014.