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Imaging studies with computed tomography (CT) and positron emission tomography (PET)/CT are an integral component of initial staging and treatment planning for Hodgkin lymphomas (HL) and non-Hodgkin lymphomas. Although routinely performed as surveillance for the detection of early recurrence — typically every 6 months for 3 to 5 years after therapy completion — such scans have not been shown to improve patient outcomes or provide other benefits. In a recent review of data from a Children's Oncology Group therapeutic trial involving patients (aged ≤21 years) with intermediate- or advanced-stage HL, investigators compared the contribution of surveillance CT scans (performed at 0, 6, 12, 24 and 30 months after therapy completion) with that of …