Which of the following describes sonological findings of Placenta accreta?

Large intraplacental lacunae is a sonological finding of placenta accreta. Sonological findings suggestive of placenta accreta. The distance between the uterine serosa-bladder wall interface and the retroplacental vessels is <1mm Large intraplacental lacunae Hypervascularity of the uterine serosa-bladder wall interface Image: Sonography of abdomen revealed uterus to be enlarged with endomeytrial cavity, showing an echogenic mass of dimensions 8.1cm*5.8cm attached posteriorly, suggestive of placenta, with colour Doppler confirming it to be posterior, low-lying placenta accreta with no definite myometrial invasion. Ref: Williams Obstetrics 25th edition Pgno: 780