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Extended field technique in the management of the cancers of the uterine cervix.

Extended fields should only be used when disease has been diagnosed in the regional lymphatics.The risk of severe complications is justified, because the alternate is to leave known disease untreated.One cannot expect dramatic increase of the survival rates if only patients with extensive disease are so treated.A modified lymphadenectomy done in patients with bulky central lesions, even with Stage 1 disease, and negative lymphangiogram should be considered in selecting patients for the extended field technique.