<qa>  What is the dose level of interferon alpha-2b?Treatment: Study participants will receive interferon alpha-2b. This drug will be self-administered daily through injections into the skin. The dose level of interferon alpha-2b will be increased each week into study treatments. For the first three weeks and approximately monthly thereafter, patients will have blood drawn three hours following interferon alpha-2b administration to measure JAKSTAT. Toxicity from study treatments will be closely monitored in patients during clinics visits. Supportive care therapies will be given throughout the study. Treatments will be discontinued due to disease growth or unacceptable side effects. 