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A review of 156 patients younger than 40 treated at our Department between 1960 and 1991 with transitional cell carcinoma of the bladder revealed that 89 . 1 % had superficial ( Ta / T1 ) disease and the remaining 10 . 9 % presented with invasive disease .
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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:
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