RecruitingBehavioural interventionTesting an MBI for Smoking Cessation and Alcohol Use Among Cancer SurvivorsThis study will examine the efficacy of Mindfulness-Based Relapse Prevention for Smoking and Alcohol (MBRP-SA) compared to standard care among cancer survivors who smoke cigarettes and engage in at-risk alcohol use. Investigators will evaluate implementation outcomes through structured stakeholder interviews across medical centers, cancer-focused organizations, and community-based programs in Florida, and will conduct a cost-assessment and an incremental cost-effectiveness analysis of the two conditions.