The goal of this questionnaire is to evaluate habits regarding smoking, and exploring whether cancer diagnosis changes smoking habits. The research will be performed based on modern bioethical standards with respect on respecting your privacy and protecting the secrecy of your medical data. Your name and surname is only used to evaluate your initial disease status and WILL NEVER BE PUBLISHED. Your privacy is paramount to us, and when we publish the results, all the data WILL BE ANONYMOUS. The research was approved by the Ethical Committee of Clinical Hospital Center.