Quitting Smoking Cover (IMAGE) National Comprehensive Cancer Network Caption The NCCN Guidelines for Patients: Quitting Smoking are available to view or download for free online at NCCN.org/patientguidelines or via the NCCN Patient Guides for Cancer App, thanks to funding from the NCCN Foundation. Credit NCCN Usage Restrictions For media coverage purposes only. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.