“…A meta-analysis of EORTC trials showed that some measurements of the EORTC-QLQ-C30 questionnaire can predict mortality, regardless of clinical parameters [23]. Recently, Araujo et al [25] showed that the degree of fatigue measured in the EORTC-QLQ-30 questionnaire was an independent factor of mortality in lung cancer patients. In our cohort, overall survival was consistent with our prior report [18], which can be explained by the high incidence of early-stage disease (I Distribution of categories of baseline variables of EQ-5D-5L > 2, according to (A) staging and (B) hormone receptor/human epidermal growth factor receptor (HR/HER2) status.…”