[Tobacco and alcohol consumption in women treated for breast cancer in a department of surgical oncology: Frequent behaviours to consider].

Introduction: Tobacco and alcohol represent the two most important risk factors increasing cancer incidence and mortality, particularly among women with breast cancer. However, few researches have focused on the consumption of psychoactive substances in women treated for breast cancer. The present study describes the prevalence of tobacco and alcohol consumption and their relationships with the sociodemographic, medical and psychological variables in a population of women receiving surgery treatment for breast cancer.