1483
Anderson Hospital and Tumor Institute at Houston during a 30 - year interval ( 1944 to 1974 ) , with a minimum of ten years of follow - up , we determined that the major prognostic factor of survival was the number of positive nodes .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None