6MWT	6 min walk
ABGs	arterialized capillary blood gases
ACAs	anticentromere antibodies
ANAs	anti-nuclear antibodies
Anti-dsDNA	antibodies to double-stranded deoxyribonucleic acid
Anti-RNP	antibodies to ribonucleoprotein
Anti-SCL-70	anti-topoisomerase I antibodies
Anti-SSA	Ro autoantibodies
Anti-SSB	anti-La antibodies
ATS	American Thoracic Society
BMI	body mass index
COPD	chronic obstructive pulmonary disease
CYC	cyclophosphamide
dcSSc	diffuse cutaneous SSc
DLCO	diffusing capacity for carbon monoxide
ERS	European Respiratory Society
EULAR-ACR	American College of Rheumatology/European League Against Rheumatism Collaborative Initiative
FEV1	forced expiratory volume in 1 s
FVC	forced vital capacity
GGOs	ground glass opacities
GIT	gastrointestinal tract
HRCT	high-resolution computed tomography
ILD	interstitial lung disease
IPF	idiopathic pulmonary fibrosis
ISU	immunosuppressive
KLCO	transfer coefficient of the lung for carbon monoxide
lcSSc	limited cutaneous SSc
LF	lung function
MDT	multidisciplinary ILD-team
MMF	mycophenolate mofetil
NSIP	non-specific interstitial pneumonia
pCO2	partial pressure of carbon dioxide
PF-ILD	progressive fibrosing interstitial lung disease
pO2	partial pressure of oxygen
pUIP	probable usual interstitial pneumonia
RF	rheumatoid factor
SENSCIS	A Trial to Compare Nintedanib with Placebo for Patients With Scleroderma-Related Lung Fibrosis
SLS	Scleroderma Lung Study
SpO2	oxygen saturation
SSc	systemic sclerosis
ssSSc	sine scleroderma SSc
TLC	total lung capacity
UIP	usual interstitial pneumonia