A<unk>  is a collection of lymphatic fluid within the body not bordered by epithelial lining. It is usually a surgical complication seen after extensive pelvic surgery (such as cancer surgery) and is most commonly found in the retroperitoneal space. Spontaneous development is rare.
Lymphocele
Pseudomeningocele
Cystocele
Dacryocystocele
Rectocele
Galactocele
Hematocele
Ureterocele