Welcome to the HCL Mailbag! Please choose a mailbag on the left to read questions that have been answered in the past by the HCL Consortium experts. To submit a question to be answered by an expert in Hairy Cell Leukemia, please use the email form below. Your question(s) will be answered as soon as possible via email, and could be used to be part of the next HCL Mailbag! (NOTE: All patient information will be removed before any question appears in the mailbag in compliance with all HIPAA guidelines in order to protect patient privacy rights.)