What Causes Prolonged Periods With Heterogeneous Structure Withing The Anterior Wall?

There is an ill-defined heterogenous structure within the anterior wall 1.91 x 2.76 X 1.31 cm. There is well - circumscribed hypoechoic structure within the mid posterior wall measuring 0.87 x 0.97 x 0.73 cm. focal adenomyoma, anterior wall. myoma nodule, posterior wall
As of now, i'm having prolonged menstruation and spotting.