Cysts are small sacs filled with fluid, air or skin cells that can pop up just about anywhere.

Dear Dr. Roach: I was diagnosed with several liver cysts over 15 years ago. My primary doctor and I follow the growth of the cysts by ultrasound, and one is increasing in size. We did an MRI with and ...

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 ...