The proposed study is a two-armed randomized controlled clinical trial examining the long-term (one-year) efficacy of telephone intervention conditions for smoking cessation in a high risk medical population; namely, cancer survivors: Proactive telephone recruitment through the Childhood Cancer Survivors Survey (CCSS) St. Jude Life Study, After Completion of Therapy (ACT) Clinic and face to face recruitment at the local West Clinics will serve as the primary methods of recruitment.