What Could A Cystic Structure Near The Ovary Be On An Ultrasound?

hi doc im worried about my case is it a serious problem of minor? i ll already transvaginal ultrasound so the comment is normal anverted with secretory phase endometrium. normal ovaries. Parovarian vs Paratubal cyst - left. the left ovary measure 2.6x2.0x1.8cm with several follicles ranging from 0.2 - 0.6 cm in diameter. adjacent to the left ovary is a unilocular anechoic cystic structure with thin and smooth wall measuring.