Fig. 2From: In vivo optical cellular diagnosis for uterine cervical or vaginal intraepithelial neoplasia using flexible gastrointestinal endocytoscopy -a prospective pilot study-Histopathology of cervical intraepithelial neoplasia. Hematoxylin and eosin staining (× 400). a CIN 1. b CIN 2. c CIN 3Back to article page