The Nutcracker Syndrome (NCS). also known as left renal vein (LRV) entrapment syndrome. is caused by LRV stenosis due to the angle narrowing between the superior mesenteric artery (SMA) and the aorta. The stenosis leads to dilatation of the LRV distal portion. https://www.jmannino.com/quick-save-Canon-imageCLASS-MF227dw-Monochrome-Multifunction-Laser-Printer-great-choice/