Serena Williams is recovering from a recent surgery. The 23 time Grand Slam champion revealed that she recently underwent a procedure to have a benign cyst removed from her neck. “Back in May I found a lump showing on my neck. I immediately went to the doc got a mri and was told I have a brachial cyst,” the 43-year-old wrote under a TikTok video shared on Oct. 15. “Have you ever heard of that?...