GSTM1 and anemia (phenotype): After 21 days, we examined the routine blood parameters and found that the LLC-bearing mice developed normocytic anemia: hemoglobin (Hb) and RBC levels decreased significantly, while the mean corpuscular hemoglobin concentration (MCHC), mean corpuscular volume (MCV), and mean corpuscular hemoglobin (MCH) remained normal (Fig. 1a–e).