ALB and Cachexia: 57 Sarcopenia can be found as being along the progression toward cachexia, for which there are also multiple definitions. A recent international consensus process led by experts in medical cachexia defined cachexia as weight loss of at least 5% or more in 12 months or less in the presence of underlying illness, plus three of the following criteria: decreased muscle strength, fatigue, anorexia, low fat‐free mass index, abnormal biochemistry (increased inflammatory markers [C‐reactive protein >5.0 mg/L, IL‐6 >4.0 pg/mL], anemia [<12 g/dL], and low serum albumin [<3.5 g/dL]).58