“…In non-small-cell lung cancer, CYFRA 21-1 was found to be significantly more sensitive than established markers, and this test may be a useful adjunct in clinical monitoring during and following treatment (Pujol et al, 1993;Stieber et al, 1993;Sugama et al, 1994;van der Gaast et al, 1994;Takada et al, 1995;Lai et al, 1996;Brechot et al, 1997;Nisman et al, 1998). In addition to lung cancer, CYFRA 21-1 has been reported to be a useful marker for cervical carcinoma (Gaarenstroom et al, 1995;Doweck et al, 2000), oesophageal cancer (Brockmann et al, 2000;Kawaguchi et al, 2000), breast cancer (Nakata et al, 2000), gastric cancer (Nakata et al, 1996), and bladder cancer - (Sanchez-Carbayo et al, 1999). Little is known, however, about the clinical significance of serum CYFRA 21-1 in primary liver cancer, although Kashihara et al (1998) have reported marked high concentration of serum CYFRA 21-1 in four patients with severe advanced ICC.…”