Tennis legend Serena Williams says she recently underwent surgery to remove a branchial cyst “the size of a grapefruit” from her neck. Williams said she found the lump back in May and initially opted ...

October 16 - Tennis great Serena Williams is recovering from surgery to remove a large cyst on her neck. Williams, 43, posted the news to social media on Wednesday, saying she had a benign branchial ...

Medicare covers sebaceous cyst removal when medically necessary. This includes cases where the cyst causes bleeding or pain, shows signs of inflammation or infection, or has recently gotten larger.