Patient 54-year-old, 5th day after surgical operation. Blood count: Erythrocytes 3,6 × 1012/l, Hemoglobin 95 g/l, Erythrocyte's hemoglobin content (color index) 0,78; Leukocytes 16 × 109/l, Platelets 450 × 109/l Blood picture: ani-zocytosis, poikilocytosis, reticulocytes-3,8%. What anemia does this patient have?