Minimal-trauma fracture, defined as fracture caused by “a very mild accident or no accident at all” has been described as one of the most common morbidities experienced by survivors of breastcancer. In a prospective cohort study that involved questionnaires from 1205 women diagnosed with invasive breast cancer and followed for at least 5 years (and who reported no breast cancer recurrences), 13.6% self-reported at least 1 spontaneous (minimal-trauma) fracture, with rib fracture being the most common at 3.8%