[Modern tendencies of malignant pleural effusions epidemiology].
The during 7 years 258 patients with malignant effusion (ME) of different ethiology were treated in clinic, that composed 13.8% among all patients with pleural effusion. It was discovered the increase of this complication frequence in 1.6 time. The main reasons of ME were lung cancer--in 42.6% of observations, pleural mezothelioma--in 19.3%, mammary glands cancer--in 6.9%, real reason of ME was not found in 13.9%. Aged patients (oldest 60 years) are risk group for discovering of ME, for pleural mezothelioma the next ages are risk 30-40 and oldest 60 years.