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.
Pancreatic cancer is a malignant tumour that starts in the cells of the pancreas. Malignant means that it can spread, or metastasize, to other parts of the body.The pancreas is part of the digestive system.are types of pancreatic cancer can also develop such as adenosquamous carcinoma. Another rare type of cancer can start in endocrine cells in the pancreas. This type of cancer is called pancreatic neuroendocrine carcinoma, which is a type of neuroendocrine cancer. Find out more about pancreatic neuroendocrine carcinoma.