Sterling silver contains 92.5% silver. The rest is copper or some other metal. It is used for jewellery and silver tableware, where appearance is important. Silver is used to make mirrors, as it is the best reflector of visible light known, although it does tarnish with time.
There are three types of pancreatic tumors. Insulinoma: This is a rare type of pancreatic tumor that secretes insulin, which lowers the levels of sugar in the blood. Research indicates that only 10% of insulinomas are cancerous. Surgery is the only option for survival of insulinoma and 90% success rate is assured.
1 This type of cancer forms in the pancreas ducts. 2  Treatment for these tumors is based on stage of growth. 3  Endocrine tumors: These tumors are less common and are most often benign. 4  Though rare, cancer stemming from a pancreatic endocrine tumor (PET) affects the hormone-producing cells.