The data of the last Brazilian survey in 2014 found that 50.8% of Brazilians are overweight, and 17.5% are obese (VIGITEL, 2014) and in parallel to obesity, metabolic changes occur in excess of adipose tissue has a central role in the development of chronic diseases, among them we can highlight breast cancer, and this risk increased especially in women after menopause (Morimoto et al., 2002). The metabolic derangements linked to weight gain and characterize a risk for developing cancer are also related therapy of disease, prognosis, and advanced age (Redig J & Munshi HG, 2010) and these changes are possible are promoters for development of other types of cancers, cardiovascular disease, osteoporosis and appearance of more aggressive tumors (Ladoire et al., 2014). There are numerous possibilities for the maintenance or development of excess weight after treatment of breast cancer, such as genetic factors, age, changes in basal energy expenditure and hormone secretion, physical inactivity and eating disorders. Contributing to the relationship of overweight and worsens the prognosis, this commitment of axillary lymphatic network that also is associated with the gain of body fat and lean mass loss and muscle function, which is linked to the presence of lymphedema, mastectomy and the age. So in view of the range of changes related to changes in the nutritional profile that oncological patients may be submitted, accurate analysis of body composition, especially the percentage of body fat, lean muscle mass and functionality play a key role in diagnosis and suitability nutriconais the conduits to promote improvements in quality of life. Objective: To evaluate and characterize the nutritional status (anthropometric, body composition, functional and physical activity) of women who underwent mastectomy for breast cancer attending a rehabilitation center. Methodology: There will be a cross-sectional study with 65 women in a rehabilitation center for breast cancer. The volunteers will be submitted to anthropometry (measurement of weight and height, the measure arm circumference (AC), waist circumference (WC), hip circumference (HC), calf circumference (CP), triceps skinfold (TSF) , bicipital skinfold (PCB), skinfold subscapularis (SBB) and skinfold suprailiac (PCSI), grip strength and bioelectrical impedance (BIA), calculation of the indices of adiposity and implementation of the International Physical Activity Questionnaire (IPAQ).
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