ABSTRACT
Blood samples of 212 patients with breast lesions (32 patients had benign lesions and 180 - malignant breast tumors) were analyzed. Benign breast diseases corresponded to fabroadenoma, cyst and diffuse mastopathy. Among those with breast cancer I-IIa stages of the disease was diagnosed in 80 patients, IIb - in 34, IIIa and IIIb stages - in 9 and 38 cases, correspondingly, stage IV was diagnosed in 19 patients. 24 women aged younger then 35 years were diagnosed with breast cancer, 108 patients aged 36-55 years, 48 women were older then 56 years. Statistically significant increase of CA 19-9 was registered in 58,3 patients younger then 35 years, whereas in patients of older groups the significant increase of the tumor marker blood level was noticed only in 22,6%.
