[Chronic pancreatitis: the modern state of the problem. Part 2. Clinical manifestations, diagnostics, classification, and the principles of treatment].

The review presents the latest data on the epidemiology of chronic pancreatitis (CP), its etiology and pathogenesis, and the modern classification of the disease. The review supports the great diversity of etiological factors of CP, which determine peculiarities of its pathogenesis and clinical picture.