 GROUP B: Patients receive SVN53-67M57-KLH peptide vaccine in incomplete Freunds adjuvant SC and sargramostim SC every 2 weeks at weeks 4, 6, 8, and 10 for up to 4 doses and then receive a booster in week 16. Beginning in week 0, patients receive lenalidomide maintenance therapy PO QD in the absence of disease progression or unacceptable toxicity. 