@climateguy
Thanks for your reply; you gave us even more insight. It turns out my husband was initially on Duke's "yellow" machine, which is the Ethos Hypersight machine. This is where they could not get him properly lined up and called off the radiation. He has now been assigned to the "grey" machine for the start of radiation next week; this is the older, TrueBeam machine. So now I'm concerned. Does the newer RO not understand the Ethos machine? I still don't know what happened. I looked in my husband's Duke chart for an explanation, but nothing has been noted about June 4. I also sent a message in Mychart on Friday, June 5 asking what occurred but have not heard anything yet. I agree that calling off the treatment was likely a good thing, but why completely switch machines? They are not doing any new planning or simulation - just jumping straight into his first radiation session when we return.
That is the gist of me posting in this forum: I have full confidence in the MO, but the RO is very young, and seems somewhat uncertain. He may be stellar, but he supports and recommends five sessions of SBRT to only the prostate when my husband's cancer is being treated with ADT for two years based on its aggressive nature (Gleason 9, cribriform, PTEN-loss, and 9/12 biopsy samples positive for cancer). I questioned the focused radiation that ignores the surrounding lymph nodes, but the RO seemed to think this would offer fewer side effects, and my husband is only 61. The RO did post studies and documents to support his treatment approach in MyChart. Of course, my husband wants SBRT based on fewer side effects.

I was treated at Duke Cancer Center six years ago for colorectal cancer and received chemo and 29 radiation sessions. I know Dr. Czito, my RO, saved my life. I was stage 3 and booted from Duke in August 2025 for clean scans - thank goodness.
I just want to approach my husband's treatment in the smartest possible way.
Thanks for sharing and thanks for listening to me!