de Juan, Julia Inclusion of extracapsular spread in the pTNM classification system: a proposal for patients with head and neck carcinoma. [electronic resource] - JAMA otolaryngology-- head & neck surgery May 2013 - 483-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 2168-619X Standard No.: 10.1001/jamaoto.2013.2666 doi Subjects--Topical Terms: AdultAgedCarcinoma, Squamous Cell--mortalityChemotherapy, AdjuvantCohort StudiesCombined Modality TherapyDisease-Free SurvivalFemaleHead and Neck Neoplasms--mortalityHumansLymph Node Excision--methodsLymph Nodes--pathologyMaleNeck Dissection--methodsNeoplasm Invasiveness--pathologyNeoplasm Staging--classificationPrognosisRadiotherapy, AdjuvantRetrospective StudiesSpainSquamous Cell Carcinoma of Head and NeckSurvival AnalysisTertiary Care CentersTime FactorsTreatment Outcome