Positron emission tomography (PET) is a type of imaging scan that doctors might use when diagnosing and treating non-Hodgkin’s lymphoma (NHL). It can be useful for identifying and staging the cancer.

Karin Rexroad peeks through the bore of the PET-CT scanner at LMH Health. Positron emission tomography, or PET, scans have long been used to diagnose cancer and determine how far it has progressed.