Image Description: Cross-section illustration of the uterus with endometrial hyperplasia with polypoid tendency. Endometrial hyperplasia is an abnormal thickening of the lining of the womb and has four forms: simple, complex, simple atypical and complex atypical. It is thought to be a risk factor in the development of cancer in the womb, particularly in the atypical forms. Image File Sizes: Size Pixels Inches (@300dpi) cm (@300dpi) Small 600 x 538px 2.0 x 1.8" 5.1 x 4.6cm Medium 1200 x 1076px 4.0 x 3.6" 10.2 x 9.1cm Large 2400 x 2152px 8.0 x 7.2" 20.3 x 18.2cm X-Large 3425 x 3071px 11.4 x 10.2" 29.0 x 26.0cm Anatomy Visible in the Medical Illustration Includes: Cervix, wall of uterus, endometrial hyperplasia, uterus. Image created by: Joanna Culley