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Length of hospital stay (in days) was found to be longer for those patients with a poorer nutritional status (malnourished 7.07±7.58; at risk of malnutrition 5.45±10.73; normal status 3.9±5,84; p less then 0.001). CONCLUSIONS The prevalence of malnutrition and nutritional risk is high in older hospitalized cancer patients in all the regions of Brazil and a worse nutritional status is associated with a longer hospital stay. Using a low-cost, effective nutritional screening tool for older cancer patients will enable specialized nutritional