BOSTON - The Massachusetts man who received the first pig kidney transplant in the world has died.Rick Slayman, 62, from Weymouth, received the kidney from Massachusetts General Hospital on March 21. He was discharged from the hospital two weeks later to continue his recovery at home.No indication it was a result of transplant, MGH saysThe kidney was genetically altered to remove pig genes and add in human ones that would help improve its capability. Massachusetts General Hospital announced... Read this story