PMID: 6406784May 1, 1983Paper

Prognostic factors in megavolt radiotherapy of central epidermoid carcinoma of the lung

Meditsinskaia radiologiia
I G Zhakov

Abstract

Radical program radiotherapy was provided to 403 patients with inoperable central epidermoid lung carcinoma that does not extend beyond one half of the thoracic cavity. Long-term therapeutic results depend on numerous factors the interrelationships of which cannot be revealed without present-day methods of data analysis. The use of computers (a method of parameter grouping and semi-automatic classification--"teaching without a teacher") made it possible before treatment to approach the level of group prognosis by symptoms; taking into account the time course of symptoms in the process of radiation therapy and after its termination--to reach the level of individual prognosis for 22% of the patients.

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