- Patients must have at least one measurable site of disease according to Response Evaluation Criteria in Solid Tumors (RECIST) criteria; i.e., patients must have measurable disease, defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded for non-nodal lesions and short axis for nodal lesions) as >= 20 mm with conventional techniques or as >= 10 mm with spiral computed tomography (CT) scan magnetic resonance imaging (MRI), or calipers by clinical exam