Psychological factors and wellbeing in breast cancer patients compared to healthy women

Breast cancer is the most common cancer in women worldwide, with nearly 1.7 million new cases diagnosed every year. This represents about 12% of all new cancer cases and 25% of all cancers in women (World Cancer Research Fund International, 2015). Also, it is estimated an increase of between 22.000-25.000 new cases per year. Even more, in spite of being considered a multi-causal disease, we must consider that between the 70% and the 80% breast cancer occurs in women without a likely risk factor