Multicentric study LNR larynx DEMOGRAPHIC ID DATE OF BIRTH (DD/MM/YYYY) GENDER FemaleMale RISK FACTORS SMOKE no smokersmokerex smoker PACK/YEAR SMOKING CESSATION (YEAR) ALCOHOLISM - Definition: more than 1 L of alcohol per day no alcoholismactive alcoholismprevious alcoholism TREATMENT Subsite supraglottisglottissubglottis Treatment surgerysurgery + RTsurgery + CRTsurgery + CT Treatment surgerysurgery + RTsurgery + CRTsurgery + CT DATE OF SURGERY (DD/MM/YYYY) TLS noLASER cordectomyLASER supraglottic laryngectomy TORS noyes TOUSS noyes OPL (Open Partial Laryngectomy) noOPHL type IOPHL type IIaOPHL type IIbOPHL type IIIaOPHL type IIIbother horizontal laryngectomyvertical partial laryngectomy TOTAL LARYNGECTOMY noyes NECK DISSECTION monolateralbilateral TYPE LEFT RNDMRNDSND AREA ND IIIIIIIVVVI TYPE RIGHT RNDMRNDSND AREA ND IIIIIIIVVVI TUMOR FEATURES Grading G1G2G3 pT pT1pT2pT3pT4apT4b v noyes n noyes pN pN1pN2apN2bpN2cpN3apN3b ENE noyes cM M0M1 Stage stage 0stage Istage IIstage IIIstage IVAstage IVBstage IVC TOTAL NUMBER LN REMOVED N° METASTATIC LN FOLLOW-UP FOLLOW-UP STATUS alive without diseasealive with diseasedead from laryngeal cancerdead from other cause DATE LAST FOLLOW-UP (DD/MM/YYYY) DATE OF RECURRENCE (DD/MM/YYYY) TYPE OF RECURRENCE local recurrenceregional recurrenceloco-regionaldistant recurrenceloco-regional and distant DATE OF DEATH (DD/MM/YYYY)