Fig. 1From: Tumor invasion depth is a useful pathologic assessment for predicting outcomes in cervical squamous cell carcinoma after neoadjuvant radiotherapy a Sketch illustrating the measurement method of tumor invasion depth (TID) at the cervical internal surface. b The red arrow indicates the measurement of the TID at the cervical internal surface in a representative specimen (magnification, ×40). c The yellow arrow indicates the measurement of TIDC at the cervical internal surface in a representative specimen with cytokeratin immunostaining correction (magnification, ×40)Back to article page