| http://www.w3.org/ns/prov#value | - A chest ultrasound is a noninvasive (the skin is not pierced) procedure used to assess the organs and structures within the chest, such as the lungs, mediastinum (area in the chest containing the heart, aorta, trachea, esophagus, thymus, and lymph nodes), and pleural space (space between the lungs and the interior wall of the chest).
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