The cover shows NFκB translocation in tumor-infiltrating lymphocytes from a patient with metastatic melanoma. Immunocytochemistry staining shows NFκB (p65) translocation (red is nucleus; green is NFκB; and yellow is overlay [translocation]) in the nucleus of tumor-infiltrating lymphocytes expanded with IL-2 and an anti-4-1BB antibody. For details, see the article by Chacon and colleagues on page 611 of this issue.