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Medically reviewed by Cordelia Nwankwo, MD Key Takeaways Umbilical endometriosis, when tissue grows inside the belly button, ...

Different types of belly button infections can cause different symptoms, but most skin infections cause redness, tenderness or pain, and swelling. You may also have pus, drainage or discharge, or skin ...

Surgical removal of an ovarian cyst may be necessary if a cyst is large, grows, or appears unusual in ultrasounds. Depending on the size and location, your surgeon may remove the cyst or an ovary.