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Background A computed tomography (CT) scan is a noninvasive imaging modality that uses rotating X-ray beams and detectors to produce high-quality cross-sectional imaging of anatomic structures. The word “tomography” comes from the words “tomos” meaning “slice” and “graph” meaning “recording,”…
Background A chest X-ray (CXR) is a noninvasive imaging procedure that uses ionizing radiation to produce a shadow image of the anatomic structures in the thoracic cavity. The term “X-ray” refers to the type of high-energy electromagnetic radiation used in…