AIRE and autoimmune polyendocrine syndrome type 1: We previously reported that patients with thymoma-associated autoimmune pneumonitis exhibit similar clinical, radiographic, and histological features with autoimmune pneumonitis observed in the setting of Autoimmune PolyEndocrinopathy-Candidiasis-Ectodermal Dystrophy (APECED), also known as Autoimmune Polyendocrine Syndrome type 1 (APS-1), which is caused by loss-of-function AIRE variants [5, 9].