You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The most common malignant neoplasm of infancy is and explain in detail?
Neuroblastoma is the most common extracranial and intra- abdominal solid malignant tumor of infancy.It is a disease of early childhood with approximately 90% of patients presenting before 5 years of age & almost 50% within the first 2 years of life. Reference:Essential pediatrics-Ghai,8th edition,page no:616.