 CT and MRI Patient will receive the non-contrast CT or MRI that would be ordered as routine stating or follow-up of the patient. At a minimum 5mm contiguous axial slices will be obtained with CT and T1-weighted, T2-weighted, in-phase and out of phase imaging will be performed on MRI with a minimum slice thickness of 5mm. Each lesion noted within the liver will be measured in two dimensions and recorded. The lesion will be classified on a scale of 1 - 5 regarding the probability of benignity or malignancy of the lesion. If a diagnosis can be made the diagnosis will be documented The location of the lesion will be documented on a Couinaud diagram. 