 - Patients with CUP where the primary site had not been revealed by complete history, physical examination including gynecological examination when appropriate, computed tomography CT scan of the chest, abdomen and pelvis, bilateral mammography in women with adenocarcinoma or poorly differentiated carcinoma, routine laboratory studies complete blood cell counts, electrolytes, urinalysis, liver and renal function tests, and directed work-up of any other symptomatic areas. 