This two-part issue, edited by Dr. Rathan Subramaniam, reviews current clinical information in "PET/CT and Patient Outcomes." In Part I of this issue, articles will include: Head and Neck Cancer, Lung Cancer, Esophageal Cancer, Breast Cancer, Lymphoma, Melanoma, Prostate Cancer, Multiple Myeloma, Thyroid Cancer, Radiation Therapy Planning, Infection/Inflammation, Colorectal Cancer, and more!