CRP and lymphopenia: Empirical antibiotic therapy targeting a digestive infection was initiated based on cefotaxime 1 g*3/days, ciprofloxacin 500 mg/days, and metronidazole 1.5 g/days with clinical improvement in 3 days but worsening of pancytopenia; The leukopenia reached 320/mm3, the PNN 0/mm3, the lymphopenia 260/mm3, the thrombopenia 11,000/mm3, and the hemolytic autoimmune anemia (HAIA) 6.5 g/dl with an increase of CRP to 49 mg/L.