I feel that getting a second opinion will do the job.
Even I agree that after chemotherapy sessions and surgery, I dont see why radiotherapy is required.
I haven't had a similar situation to help you out, but you can just post a question on this site: http://www.clinicspots.com/India/Cancer-Hospitals/
Click on the "Ask and Expert" button.
I stumbled upon this website when I was helping my friend out with his Stage 2 lung cancer.
They have loads of questions answered there.
See if it helps you out.