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The rare form of the Q356R polymorphism was significantly ( P = 0 . 03 ) associated with a family history of ovarian cancer , suggesting that this polymorphism may influence ovarian cancer risk .
 ovarian cancer, ovarian cancer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 ovarian cancer, ovarian cancer