  We derive a full 3-dimensional (3-D) model of inhomogeneous -- anisotropic
diffusion in a tumor region coupled to a binary population model. The diffusion
tensors are acquired using Diffusion Tensor Magnetic Resonance Imaging (DTI)
from a patient diagnosed with glioblastoma multiform (GBM). Then we numerically
simulate the full model with Finite Element Method (FEM) and produce drug
concentration heat maps, apoptosis regions, and dose-response curves. Finally,
predictions are made about optimal injection locations and volumes, which are
presented in a form that can be employed by doctors and oncologists.
