How do you decide between neoadjuvant chemotherapy vs neoadjuvant radiation in a patient with endometrial cancer not amenable to surgical resection due to cervical involvement?

I'm not sure I have a perfect answer. For this case, the NCCN gives the following recommendations:

-For suspected cervical involvement for patients who are not suitable for primary surgery, EBRT and brachytherapy are effective treatments (category 2A). If the patient is deemed operable 4-12 weeks po...

There are very few tumors with cervical involvement that cannot be resected with a radical hysterectomy (or extrafascial hysterectomy with upper vaginectomy). I have given neoadjuvant chemotherapy or chemotherapy plus IO in cases with extensive vaginal involvement at the time of diagnosis. I general...