I'm into fourth week of IMRT with an implanted fiduciary from prior HDR-Brachy. You want that because it results in a more precise IMRT radiation field. The routine for IMRT is everyday about 2 hours before appt to start hydrating, and be as full as you can be without discomfort when you get zapped. It takes me about 1 1/2 quarts of fluids to get a full bladder. Try to regulate your BM's so you take one in the morning before treatment. I do this by eating some beans or soft food right after my afternoon treatment to keep things loose for the next morning. Diet: don't take C or E supplements as antioxidants may protect the cancer from radiation, but do eat a well balanced diet. I read the flavones in soy and green tea may sensitize the cancer to radiation, so I alternate days taking those. I have SpaceOar, and recommend it. I saw an MRI image of it after it was placed during the HDR, and it is really amazing how well it separates the rectum.
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