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Obesity is a risk factor for the development of several cancers, such as breast, colon and gynecologic carcinomas1, 2. Recently, it has been clarified that obesity not only correlates with carcinogenesis but also influences the prognosis of several cancer patients. For example, obesity correlated with poor prognosis in breast3, 4 and colon cancers5, 6, while favorable prognoses have been reported in obese patients with gastric7 or renal8 cancers. The response should be in all capital letters.
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