When treating locally advanced cervical cancer with concurrent chemoRT, do you contour the presacral LNs to the bottom of S3 or you stop your contour at S2-S3?

We contour up until we start seeing pyriform muscle like contouring guidelines for gynecological cancer.

We address the differences between prostate and gyne in this letter

Musunuru et al., PMID 33610294

Yes, the contouring difference between the prostate guidelines and gym guidelines should be bridged. It makes no sense.