[Methods of evaluating the effectiveness of treatment of patients with malignant neoplasms]

The advantages offered by application of combined and complex treatment make the case for perfecting procedures of optimal choice, combination and adequate evaluation of the efficacy of methods of malignant tumor treatment. The report deals with a retrospective analysis of procedures of evaluation of cancer patients treatment. Treatment modalities, concurrent monitoring and alternative study group selection are discussed. Emphasis is placed on the role and significance of cooperative prospective and retrospective randomization studies.