Cervical cancer

Which criteria are used to assess whether or not radiotherapy should he be utilized in the adjuvant
setting for early stage cervical cancer?

Snidel criteria:
LVSI + one of the following
upper one third with tumor larger than greater than 5 cm
Mid one third with tumor larger than 2cm
Lower one third any size tumor
LVSI negative and middle/lower 1/3 with tumor > 4cm

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