ACR/EULAR	American College of Rheumatology/European Alliance of Associations for Rheumatology
ANCA	anti-neutrophil cytoplasmic antibodies
CRP	C-reactive protein
CT	computed tomography
EBUS	endobronchial ultrasound
EBUS-TBNA	endobronchial ultrasound-guided transbronchial needle aspiration
EBUS-TMC	endobronchial ultrasound–guided transbronchial mediastinal cryobiopsy
ESR	erythrocyte sedimentation rate
H&E	hematoxylin and eosin
IgG	immunoglobulin G
IgM	immunoglobulin M
ILD	interstitial lung disease
MPA	microscopic polyangiitis
MPO-ANCA	myeloperoxidase anti-neutrophil cytoplasmic antibodies
p-ANCA	perinuclear anti-neutrophil cytoplasmic antibodies
PET-CT	positron emission tomography–computed tomography
SUV	standardized uptake value