AMA	aortomesenteric angle
CIV	common iliac vein
ECD-US	eco-color Doppler
IVC	inferior vena cava
IVUS	intravascular ultrasound
LRV	left renal vein
MALS	median arcuate ligament syndrome
MRI	magnetic resonance imaging
NS	nutcracker syndrome
NP	nutcracker phenomenon
OVS	ovarian vein syndrome
PV	peak velocities
RAS-I	angiotensin-converting enzyme inhibitors
SMA	superior mesenteric artery
TC	computed tomography
UPJ	uretero-pelvic junction
US	ultrasound