Discontinuation of Tobacco Dependence in Smoking Patients With Squamous Cell Carcinoma of the Head-neck District: Multicenter Prospective Observational Study

"The investigator, upon enrollment, will initiate a standardized strategy from clinical practice: the investigator will conduct brief counseling (minimal advice) using the administration of of a questionnaire that will include, in addition to questions about current and past, the administration of the Fagerstrom test to measure physical dependence on nicotine and questions to investigate intention to quit smoking (Mondor test)"