What brachytherapy dose/fractionation should be used for small cell carinoma of the cervix?

I treat a small cell carcinoma of the cervix the same as a squamous cell or adenocarcinoma as far as the RT portion of treatment. I would give 45 Gy pelvic RT (I would treat PA if involved or if there are positive pelvic nodes). I would give SIB to positive nodes to 55 Gy (2.2 Gy/fx) in the pelvis a...