CSF3 and Pancytopenia: Regarding the treatment of pancytopenia, because our patient developed a surgical wound in a naturally contaminated zone and a difficult-to-control tonsillar infection, the presence of the lesion documented in bone marrow (Figures 1 and 2) led to the use of peg-G-CSF in addition to antibiotics and symptom management drugs, which undoubtedly accelerated the recovery.