Chondrosarcoma is one of the most common primary chest wall tumors. It usually arises in the anterior wall (near the costochondral junction) or the paravertebral location. The presence of rings and arcs calcification on CT, and MRI signal characteristics of low T1 compared to muscles and high T2 signal intensity are suggestive of a chondroid origin of the tumor.

The patient underwent CT guided biopsy and the histopathology result was: 

" LOW GRADE CARTILAGINOUS NEOPLASM CONSISTENT WITH CHONDROSARCOMA"