A Diffuse Intrinsic Pontine Glioma (DIPG) is a tumor located in the pons (middle) of the brain stem. The brain stem is the bottom most portion of the brain, connecting the cerebrum with the spinal cord. The majority of brain stem tumors occur in the pons (middle brain stem), are diffusely infiltrating (they grow amidst the nerves), and therefore are not able to be surgically removed
