Bile normally passes out of the liver through a series of tubes (ducts). Bile can back up into the liver if a duct becomes blocked. It can also back up if a hole or tear forms in a duct. Biliary drainage is a procedure to drain bile from the liver.
Chemoembolization is a way to treat cancer in the liver. It can be used for cancer that starts in the liver. Or it can be used for cancer that has spread (metastasized) to the liver from other parts of the body. Learn more about the procedure.
Percutaneous nephrostomy is a procedure where a small tube (catheter) is put through your skin into your kidney to drain your urine. This procedure is done by a specially trained doctor called an interventional radiologist.