1. Given multiple blood transfusions (hemoglobin: 4.8). 2. Pressors continued with fluids. 3. He was admitted to the hospital and hydrated with normal saline. 4. The event was treated with steroids and oxygen. 5. Pancytopenia, treated with G-CSF, erythropoetin, and red packed cells. This evidence concerns the gene CSF3 and Pancytopenia.