图示另例宫颈鳞癌的大体观。注意宫颈处突出的宫内节育器，这表示在植入前做过巴氏涂片。
从宫颈不典型增生到癌是一个逐渐发展的自然病程，因此不能忽略不典型增生的病变。
Here is another cervical squamous cell carcinoma. Note the IUD string protruding from the cervix. This implies that someone could have done a Pap smear when it was inserted. There is a natural history of progression of dysplasia to carcinoma, so don't leave dysplasias alone.