Postmenopausal Endometrial Carcinoma 👉 A key presenting symptom is vaginal bleeding after menopause. Ultrasound Features: ⭐ Increased Endometrial Thickness: An endometrium measuring >5 mm in women not on hormone therapy should be further evaluated with biopsy. ⭐ Irregular / Heterogeneous Lining: Malignant endometrium may lose its smooth contour and show mixed echogenicity. ⭐ Poorly Defined Endometrial–Myometrial Junction: Blurring of this margin can indicate possible invasion. ⭐ Polypoid or Mas