PN	pulmonary nodule
18F FDG	18 Fluorodeoxyglucose
PET/CT	positron emission tomography/computed tomography
SUV	standardized uptake value
SUVmax	standardized uptake value maximum
SUVmean	standardized uptake value mean
SUVpeak	standardized uptake value peak
MTV	metabolic tumor volume
TLG	total lesion glycolysis
DTPI	dual time point imaging
ΔSUV	SUV2 (delayed phase) -SUV1 (early phase)
ΔMTV	MTV2 (delayed phase) -MTV1 (early phase)
ΔTLG	TLG2 (delayed phase) -TLG1 (early phase)
WHO	World Health Organization
ROI	region of interest
OS	overall survival
CT	computed tomography
GLUT	glucose transporter
AI
PETMR
Radiomics