The MRI shows that the Damm Spot is responding to CPT-11 and Avastin! The brain stem is much less swollen, and there is less flair (on the image (which means that the blood vessels aren't as leaky and the brain is repairing itself).
Dr. M called it excellent news.
More to come later. (We are still at the cancer center, waiting for Steve to get a chest X-ray. Dr. M detected wheezing and crackling in his lungs.)