Ovarian cysts and 9 weeks pregnant?

im 9 weeks pregnant and on my first ultrasound yesterday the tech said everything was good. but she found a simple cyst on my left ovary. should i be worried? the doctor didnt say anything but idk if hes waiting to see if it goes away, i also have a lump in my breast that he said he isnt worried about but its prob a cyst too will it bother my pregnancy