For esophageal cancer treated with primary chemoradiotherapy, with residual disease on 3 months PET, would you repeat a PET at 6 months?

It depends on what the doc and the patient will do with the information. If the patient received primary chemo rads because they were not a surgical candidate initially, they would not be a surgical candidate after treatment. Thus, if there is a recurrence, any subsequent treatment would be palliati...