Liver hemangioma is a noncancerous (benign) mass that occurs in the liver. A liver hemangioma is made up of a tangle of poorly formed blood vessels. Liver hemangioma is sometimes called hepatic hemangioma or cavernous hemangioma.

Focal nodular hyperplasia ( FNH) is a benign tumour of the liver (hepatic tumour), which is the second most prevalent tumour of the liver (the first is hepatic hemangioma). It is usually asymptomatic, rarely grows or bleeds, and has no malignant potential. This tumour is often resected because it is difficult to distinguish from hepatic adenoma.

Polycystic kidney disease ( PKD or PCKD, also known as polycystic kidney syndrome) is a cystic genetic disorder of the kidneys.

An ovarian cyst is any collection of fluid, surrounded by a very thin wall, within an ovary. Any ovarian follicle that is larger than about two centimeters is termed an ovarian cyst. An ovarian cyst can be as small as a pea, or larger than an orange.