DEPENDENCE OF YKL-40 mRNA TISSUE LEVELS ON KRAS MUTATION STATUS IN COLORECTAL CANCER - PRELIMINARY RESULTS Yana Feodorova1, Dessislava Tashkova2, Kiril Simitchiev3, Anton Todorov4, Gancho Kostov5, Rossen Dimov5, Victoria Sarafian1 October 16, 2015 Published in Immunology