Introduction: Breast cancer is a disease in which abnormal cells in the breast grow uncontrollably and may form tumors that can spread throughout the body if left untreated. Although female sex is the strongest risk factor, breast cancer affects both women and men across all age groups. Early detection significantly increases the chances of successful treatment, which highlights the importance of prevention. Treatment typically involves a combination of surgery, systemic therapy, and radiation, while the physical and psychological consequences of the disease and its treatment strongly influence patients’ quality of life. Physical activity plays an important role in supporting well-being, as has been proven to improve both physical and mental health. Purpose: The aim of this thesis was to examine, through a review of scientific and professional literature, the effects of physical exercise on the quality of life of patients with breast cancer. Methods: A literature search was conducted in the PubMed database using the following combination of keywords: “Physical Exercise AND Breast Cancer AND Quality of Life.” Based on predefined inclusion and exclusion criteria, seven studies published after 2014 were included in the review. Results: The seven analyzed studies implemented various exercise programs, most commonly aerobic training, resistance training, or combinations of both, often supplemented with additional components such as balance training or dance. Programming duration ranged from 12 to 36 weeks, with exercise performed two to three times per week. Five studies demonstrated statistically significant improvements in quality of life in the experimental groups compared with control groups, while one study reported a positive trend despite the absence of statistical significance. Discussion and conclusion: The review showed that physical exercise significantly improves quality of life in patients with breast cancer by reducing fatigue, pain, and other symptoms and by enhancing physical, emotional, and social functioning during and after treatment.
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