Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

In a memo signed “Lloyd,” Goldman Sachs CEO Lloyd Blankfein revealed he’s been diagnosed with lymphoma but added that it had been determined to be a “highly curable” type of the cancerous disease.

Answer: chief_executive_officer: Goldman Sachs, Lloyd Blankfein; employer: Lloyd Blankfein, Goldman Sachs