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Pavel Aleksandrovich Semin, head of the neurosurgery department, neurosurgeon at the E.N. Meshalkin National Medical Research Center, talks about the types of malignant neoplasms, diagnostic methods, specific and non-specific symptoms of malignant neoplasms of the brain, as well as treatment methods. 0:07 Malignant brain tumors 1:21 Symptoms 4:42 Risk factors 5:29 Treatment