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Male 72 years old operated on March 23, 1995. Upper rectum
tumor, 40 mm. maximum diameter, moderately differentiated, D
Dukes stage. CEA preoperatory level was 26.4 ng/ml which kept
positive in the first revision one month after the intervention.
Normal level of CEA: lower than 5 ng/ml.
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Data file
compressed (execute it to get the original data file).