Короткий опис (реферат):
The incidence of oncological diseases and mortality due to them remain a leading clinical and social problem at the national and global levels and show a tendency to increase. According to the World Health Organization (WHO), cancer can claim more than 13 million lives. Pain syndrome is the most common and non-specific manifestation of diseases caused by malignant neoplasms and accounts for almost two-thirds of all cases of a generalized process; 30–40% of patients suffer from moderate or severe pain, which is chronic in nature; 40–55% experience pain at the stage of generalization, during and after antitumor therapy, and in the terminal stage of the tumor process
