For tumors affecting the bottom half of the bile duct, the cancer is removed with a Whipple operation. For tumors in the top half of the bile duct, surgical treatment often requires removal of the tumor together with a liver resection (removal) in an attempt to provide a surgical cure.
How long for plastic water bottle to decompose? An average time for a plastic bottle to biodegrade fully is approximately 450-1000 years. However, there are many different kinds of plastic in the world, most commonly the haâ¦rd and reusable ones, which take a longer time, and the soft and non-reusable ones, which take a shorter time.
î paper box î plastic bottle î wooden block î banana peel 3. How long does it take for an aluminum can to decompose? î 5 to 6 months î 200 to 500 years î 40 to 50 years î 500 to 600 years 4. True or false: It takes a leather belt longer than a wooden block to decompose. î true î false 5. True or false: It takes an aluminum can longer than a glass bottle to decompose.