“…At the patient level, barriers include feelings of shame, helplessness, depression and anxiety symptoms, perceived importance of quitting, and level of nicotine addiction (Simmons et al, 2013; Leone et al, 2013; Coups, Dhingra, Heckman et al, 2009). Physician barriers also exist, including physicians' training around smoking cessation, referral options, and beliefs about patients' interest or ability to quit (Toll et al, 2013; Leone et al, 2013; Bjurlin, Goble, & Hollowell, 2010; Patsakham, Ripley-Moffitt, & Goldstein, 2009). At the healthcare system level, inadequate identification of tobacco users, lack of integrated smoking cessation programs, and lack of dedicated tobacco cessation staff all contribute to difficulties in providing tobacco treatment to oncology patients (Toll et al, 2013).…”