- Subject has measurable and evaluable disease defined as at least one metastatic lesion that can be accurately and serially measured by Computed Tomography (CT) or Magnetic Resonance Imaging (MRI) scan as per the Response Evaluation Criteria in Solid Tumors (RECIST) criteria. Cutaneous lesions measuring at least 20mm in longest diameter can be considered measurable (and therefore target lesions) via color photography including a ruler