This stage should have lasted for 78 weeks, or 547 days. But, due to delays during her intensive stages, her's lasted 61 weeks and 4 days, or 431 days. Here is a breakdown of Hannah’s maintenance treatment: Chemotherapy (oral): Mercaptopurine: Once daily, 431 days. Methotrexate: Once a week, 61 weeks. Intrathecal chemotherapy (into spinal fluid):… Continue reading Hannah’s treatment plan, maintenance, final stage, (431 days).