March 2013 A 55-year-old male presents to his physician complaining of fatigue, unexplained weight loss, and neck swelling PMH: unremarkable Physical exam: Bilateral cervical lymphadenopathy Laboratory findings: Leukocytes, 9.0 X 109/L Hb, 9.8 g/dL LDH, 520 U/L Beta2-microglobulin; 6.4 mg/L AST, 167 U/L; ALT 202 U/L Excisional biopsy of the right cervical node: Immunophenotyping: IgM+, CD5+, CD10-, CD19+, CD20+, CD22+, CD23-, cyclin D1+ Cytogenetics: t(11;14)(q13;q32) CT imaging of the neck, chest, abdomen, pelvis: marked18F-FDG uptake and enlargement of bilateral cervical lymph nodes (right, 4.6 cm; left, 3.1 cm) and mesenteric lymph node (9.2 cm) Diagnosis: Mantle-cell lymphoma, Ann Arbor stage III The patient was started on induction therapy with R-hyper-CVAD and achieved significant reduction in tumor burden Consolidation with autologous stem cell transplant resulted in complete remission March 2017 The patient reports having symptoms of fatigue and weight loss PET/CT shows diffuse uptake of18F-FDG in the right lung and mediastinal lymph nodes The patient was started on therapy with ibrutinib