Validation of the Spanish version of the breast Q reduction and mastopexy module xxxxBackground: The Breast Q Reduction and Mastopexy Module evaluate breast related quality of life from the perspective of the patients. Body self-image, social performance, sexuality and physical symptoms are assessed. Aim: To translate the Breast Q Reduction and Mastopexy Module to Spanish and validate the translated version to be used in Chile. Material and Methods: The linguistic validation guidelines of the MAPI/TRUST Research institute were used and the survey was applied to six patients aged 29 ± 6 years with 14 ± 2 years of studies. The internal stability of the test was assessed using Cronbach alpha. Results: The mean body mass index of the patients was 25 ± 1 kg/m