ALB and Decreased total leukocyte count: Blood routine testing upon admission showed leukopenia (white blood cells count 2.29 × 109/L), erythropenia (red cell count 4.10 × 1012/L), thrombocytopenia (platelets count 56 × 109/L), occult blood in fecal sample, elevated ALT (56.0 U/L) and AST (122.0 U/L), lowered total protein (59.4 g/L), lowered albumin (38.2 g/L), pre-albumin (163 mg/L), elevated lactate dehydrogenase (LDH) 240 U/L, and elevated blood sugar (12.84 mmol/L).