Malignant mesotheliomas are common in people exposed to asbestos for a long time. Other risk factors include exposure to a metal called eronite, radiotherapy, infection with simian virus 40 and ...

A urachal cyst is a sac of tissue and fluid between the bladder and the belly button, which can sometimes cause discomfort or symptoms if it drains. An infected urachal cyst can pierce the bladder or ...