In brief: Nephrolithotomy. While smaller kidneys stones can often be passed, staghorn stones often form in the calyces or conduit between the kidney and the ureters. These are considered complicated stones and often will require percutaneous (through the skin) nephrolithotomy by a urologist. In brief: Nephrolithotomy. While smaller kidneys stones can often be passed, staghorn stones often form in the calyces or conduit between the kidney and the ureters.
Acura is made by the Honda (Japan) car manufacturer. I drive an Acura 3.2 TL Type S. It's the best handling peppy car I have owned to date. It is very responsive to all inputs from the driver. The Acura TL is comparable to a 3-series BMW.
Toyota owns Lexus and Scion, and since late 2005 owns about 9% of Subaru (Fuji Heavy Industries) but they are still privately owned. Honda is Acura, Nissan is Infinity Ford is Lincoln, Mercury, Volvo, Jag, Mazda and LandRover.