Health hurdle. Hailey Bieber showed her “painful” swollen stomach from a very large ovarian cyst the “size of an apple.” “I don’t have endometriosis or PCOS, but I have gotten an ovarian cyst a few ...

Add Yahoo as a preferred source to see more of our stories on Google. Health hurdle. Hailey Bieber showed her “painful” swollen stomach from a very large ovarian cyst the “size of an apple.” “I don’t ...

Pilonidal sinus—also called a pilonidal cyst—is a skin infection that occurs in or around the crease of your buttocks. This condition happens when hair, skin cells, and dirt clog a hair follicle, ...

Medically reviewed by Susan Bard, MD Key Takeaways A pilonidal cyst is a painful lump located at the base of the spine at the top of the buttocks.Symptoms can include a painful lump, discharge, and ...