What dose constraints do you use for the stomach in conventionally fractionated definitive chemoradiation for a large LLL primary tumor?

I would aim to keep point max to the stomach under 50.4 Gy. This can be challenging for sure if nearby the tumor. I would use the same constraints if patient had a hiatal hernia. Moreover, I would have the patient NPO prior to sim and every treatment as that may help create separation between the st...

Gated RT/DIBH/IMRT/Protons could be helpful in some cases.