<prompt> Answer this question truthfullyWhat are the ultrasound descriptions of a simple cyst and a complex cyst?  <response>: <reason> The ultrasound description of a simple cyst is an adnexal mass with a smooth, small cyst without septations unilocular. The ultrasound description of a complex cyst is an adnexal mass with irregular large cysts with septation and loculated fluid multilocular. 