Is adjuvant treatment recommend for a 0.8cm serous endometrial CA confined to polyp s/p hysterectomy + surgical staging?

For surgically staged IA confined to polyp, the risk of recurrence reported in literature varies but on average, appears to be low and recent ESGO guidelines favor no treatment.

The NCCN guidelines prefer cuff brachytherapy for all stage IA non-invasive serous endometrial cancers which is my general practice. I advocate for vaginal cuff brachytherapy regardless of MMI given the minimal treatments and well tolerated nature of it. Our previous NCDB analysis (with all the cave...