No treatment is necessary for simple breast cysts .

单纯乳腺囊肿无需治疗。

These are then picked up by rats and mice ( and also by other mammal species , including humans ) , where they form cysts in brain , liver and muscle tissue .

接着，鼠科动物与其他的哺乳动物类（包括人类）拾起它们的粪便，弓形虫便在他们的大脑、肝脏和肌肉组织内形成包囊。

The cause of breast cysts remains unknown .

乳腺囊肿病因依旧不明。

If you have breast cysts , they usually disappear after menopause , unless you 're taking hormone therapy .

如果你有乳腺囊肿，且没有接受荷尔蒙疗法，通常在更年期后囊肿会消失。

Having one or many simple breast cysts doesn 't increase your risk of breast cancer .

单个单纯乳腺囊肿或多个单纯乳腺囊肿不会增加患乳腺癌的风险。