TY - BOOK AU - Eman Alhussain Abdulgawad AU - Hossam Hosni Masoud , AU - Mohamed Shehata Abdallah , AU - Sarah Mahmoud Fahmy Elkateb , TI - Evaluation of a new tumour marker in patients with non - small cell lung cancer CYFRA 21 - 1 / PY - 2010/// CY - Cairo : PB - Eman Alhussain Abdulgawad , KW - Cyfra 21 - 1 KW - Lung cancer KW - Non small cell lung cancer N1 - Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Clinical and Chemical Pathology; Issued also as CD N2 - Lung cancer is one of the most common fatal malignancies . Cyfra 21 - 1 is a tumor marker based on the determination of water - soluble cytokeratin 19 which is secreted by normal or malignantly transformed epithelial cells . It is suggested to be a valuable marker in the diagnosis of patients with lung cancer especially non - small cell type (NSCLC) ER -