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Understanding a Knot on the Sternum: Clinical Perspectives and 2026 Diagnostic Protocols

"A "knot" or palpable lump on the sternum (breastbone) is a clinical finding that requires systematic evaluation. While many presentations involve benign musculoskeletal or cartilaginous structures, the location necessitates professional medical assessment to rule out deeper pathology. This guide provides an overview of common causes, diagnostic criteria, and the standard of care expected in 2026. Anatomical Significance and Palpable Anomalies The sternum is the central, flat bone located at the anterior thoracic wall. It consists of the manubrium, the body, and the xiphoid process. Because the sternum has minimal subcutaneous fat coverage, st..."

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