O6. Circulating tumor cells in the peripheral blood predict poor prognosis in surgically treated non-small cell lung cancer patients

Jiri Klein, Andrea Prokopova, Josef Srovnal, Josef Chudacek, Vitezslav Kolek, Ivona Grygarkova, Josef Dusa, Jozef Andel, Jozef Skarda, Marian Hajduch