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Understanding a Lump on the End of the Sternum: Clinical Insights and Diagnostic Pathways for 2026

"Finding a lump on the end of the sternum can cause immediate concern, often prompting questions about what lies beneath the skin and costal cartilage. The sternum, or breastbone, serves as a vital structural anchor in the anterior chest wall, protecting critical mediastinal structures while accommodating the mechanical expansion of respiration. In medical practice, a palpable mass or prominence at the distal end of the sternum—specifically where the bone transitions into the xiphoid process or meets the lower costal margin—requires a systematic evaluation. Medical advancements in 2026 allow for highly sophisticated diagnostic imaging and non-..."

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