 - Evaluable but Non-measurable Disease - Patients with all lesions below the limits defined above for measureable disease i.e., longest diameter 20 mm with conventional techniques or 10 mm with spiral CT excluding those patients with only a primary lesion andor with only non-evaluable cancer such as bone metastases, ascites, pleural or pericardia effusions, lymphangitic carcinomatosis of the skin or lung, previously irradiated lesions not in progression, or peritoneal carcinomatosis 10 mm in diameter with conventional imaging techniques. 