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The main objective of this study was to assess the feasibility of breast reconstruction by exclusive autologous fat grafting (AFG). The secondary objectives were to identify predictive factors for technique failure and to assess the satisfaction and quality of life of patients who have benefited from exclusive AFG breast reconstruction using satisfaction and WHOQOL-BREF surveys. We carried out a monocentric retrospective study. We included 118 patients who achieved breast reconstruction that was initially planned as exclusive AFG reconstruction, between April 2015 and November 2020. The success rate was 72.88% (86 patients). The only risk factor for failure we objectified was irradiation (OR=2.90). A total of 85 percent of patients felt that the result met their expectations. However, 82.93% rated their quality of life as good or very good. The AFG technique is well described, easily reproducible, and serious complications are rare. It allows for a less invasive autologous reconstruction than free or pedicle flaps. This type of reconstruction should probably be reserved for motivated patients with a small breast size or agreeing to a contralateral breast reduction procedure. [ABSTRACT FROM AUTHOR]