[Determining the level of the tumor marker--neuron-specific enolase in patients with neoplastic and non-neoplastic diseases].

Radioimmunoassay was employed to measure serum levels of neuron-specific enolase (NSE) in 38 lung cancer patients, 20 patients with noncancer pulmonary lesions and 10 healthy donors. An average NSE level (92.8 +/- 18.