Fig. 30. Longitudinal transabdominal scan showing invasive endometrial adenocarcinoma delineated by the four small white arrows. Note the depth of myometrial invasion and irregularity of the endometrial echo. Calipers measure uterus at 14.2 cm from external cervical os to fundus. A, near-field reverberation artifact; U, uterine corpus ( black arrows ); C, cervix.