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A study is presented of 96 patients with primary cancer of the liver. Hepatocellular cancer was diagnosed in 54 patients, cholangiocellular--in 36, low-differentiated--in 6 patients. Hepatocellular cancer was characterized by an increased size of the cells while they maintained likeness with intact liver cells, were characterized by significant anisocytosis, hyperchromia, reticular cytoplasm. Cholangiocellular forms of cancer are characterized by the presence of large nucleoli, cytoplasm vacuolization. Nondifferentiated cancer was distinguished by markedly pronounced polymorphism, presence of "nude" nuclei, disorders of the nucleus/cytoplasm ratio in favour of the nucleus, presence of syncytial relations between the cells.

The authors established that 12 h after development of acute obstructive ileus in inactive neutrophil granulocytes (NG), the anaerobic microorganisms were intact, or at the process of division; in the active NG, they were destroyed, or when forming "halo", might preserve and migrate in the matrix of NG. In interaction of NG with microorganisms, the numerous oval and roundish bacterial bodies with a diameter of 0.2-0.5 micron capable to penetrate into the non-phagocytic cells are formed. A function of the formations revealed is not studied.

In electron-microscopic study of the puncture biopsy material in 52 patients with diseases of the hepatobiliary organs in 22% of cases, the liver contamination with the viruses was revealed. They caused destruction of hepatocytes and induced their appearance in the cytoplasma and mitochondria of the protein crystalline inclusions. This was of certain diagnostic and, perhaps, lithogenic importance.

The authors studied results of treatment of acute erosions and ulcers of the digestive organs that developed in 43 patients after different operative interventions. Twenty-one patients developed uncomplicated erosions and ulcers, 20--complicated hemorrhages and 2--perforations. Follow-up terms--from 1 to 7 years. Approximately 50% of patients complained of stomach pain, some--of dyspeptic phenomena. Endoscopic findings indicate that these patients suffered of chronic diseases of the digestive organs (gastritis, gastroduodenitis). This evidences the necessity of prophylactic medical treatment of patients with a history of acute erosion and ulcers of the digestive organs.