Hi..Good evening..The mass which is appearing after chemo radiation can be post treatment fibrosis as it takes a few months for the visible mass to completely regress.Since its not showing any metabolic activity,its very likely that the cancer cells are no longer present in the mass. However, regular follow up needs to be done to ascertain the complete tumor response.
Next Steps
Observation
Answered2024-07-18 18:41:38
Let others know if this answer was helpful