The Obesity Paradox in Colorectal Cancer May Reflect Prediagnostic Weight Loss
In the German multicenter study of 5,521 patients with colorectal cancer (CRC), the apparent survival advantage associated with overweight and obesity at diagnosis was largely explained by cancer-associated weight loss before diagnosis. Compared with patients with normal weight, those who were overweight had modestly better overall survival (HR, 0.89), whereas […]