A 46-year-old female with breast cancer presented with fever, nausea, vomiting, abdominal pain, diarrhea, dry cough, asthenia, and myalgia. The patient was on Neoadjuvant chemotherapy (Paclitaxel) with positive past myotoxic DH. Lab results revealed a peak CK of 87,456, AST/ALT of 442/216, and LDH of 2,750. The patient survived. The gene discussed is GPT; the disease is breast cancer.