This issue of Hematology/Oncology Clinics, edited by Dr. Janet Abrahm, focuses on Pain Control. Topics include, but are not limited to, Complex pain assessment; Evidence-based non-pharmacologic therapies; Non-opioid pharmacologic therapies; Opioid caveats, newer agents, and prevention/management of side effects and of aberrant use; Cancer pain syndromes; Agents for neuropathic pain RX; Mechanism of and Adjuvants for bone pain; Interventional anesthetic methods; Radiation therapy methods; Rehabilitation methods; Psychological treatment; Spiritual considerations; Pain in patients with SS diseases; and Pain in HSCT patients.