A definite mass lesion could not exclude the possibility of advanced adenocarcinoma as well, although leiomyosarcoma was generally seen as a large globular or irregular echogenic mass.

• 虽然恶性平滑肌肉瘤常呈现一较大的球状或不规则肿块，但是一进行性原发腺癌亦可能以类似的肿块表现。