Analysis of the results of investigation of 610 esophageal cancer patients treated in the Samarkand regional cancer center has shown that the rate of erroneous diagnosis based on anamnestic data and the results of clinical noninstrumental investigation is 70.5%. The rate of diagnostic errors of x-ray examination varies within 32.1-74.4%. Repeated x-ray examination in the negative group of patients revealed esophageal cancer in 17.8%. These cases can be regarded as potentialities of correct radiodiagnosis. Correct diagnosis in endoscopy was established in 89.6%. Esophagoscopy permitted not only correct diagnosis but also provided material for a morphological study.
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