VP16 chemotherapy regimen is etoposide. The indications for etoposide are small cell lung cancer, malignant lymphoma, leukemia, malignant germ cell tumors, etc. It is also effective in esophageal and gastric cancers. Adverse reactions include: bone marrow suppression (e.g. leukopenia, thrombocytopenia, etc.), gastrointestinal reactions (e.g. nausea, vomiting, diarrhea, etc.), allergy (rash, itching), hepatic and renal function impairment. Contraindications: Bone marrow dysfunction and hypersensitivity to the drug are prohibited. Tips: This drug must be used under medical supervision. The dosage and duration of administration may vary depending on the dosage form. Regular visits to the hospital are required to adjust the medication according to the condition and symptoms. Do not hesitate to consult a doctor if you are not feeling well.