OS from diagnosis in FL patients with confirmed relapse, stratified by method of relapse detection. (A) LEAD cohort. (B) MER cohort. (C) Combined cohorts.
OS, overall survival, defined as the time from the date of diagnosis until the date of death or last known follow-up; clinical detection, defined by patient-reported symptoms at the time of confirmed detection of disease, concerning physical exam findings documented during a clinical visit, or abnormal lab values on prior follow-up; surveillance detection, defined by relapse of disease first suggested on imaging reviewed by a radiologist as part of a routine surveillance schedule, and later confirmed by other diagnostic means.