[Clinico-diagnostic significance of high-molecular mucin CA19-9 blood level in patients with breast diseases].

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.