A 39-year old man was referred for evaluation of a left sided tumor in the region of the third and fourth rib. Computed tomography revealed a slightly enhancing costal tumor with mainly intrathoracic expansion. Calcifications inside the tumor were present. Assuming a chondrogenic tumor of unknown dignity, en bloc tumor resection and reconstruction of the chest wall was performed. By means of the histopathological examination the diagnosis of a chondrosarcoma grade I was made.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/16128210