Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There is asymmetric density projecting over the left ___ costochondral junction when compared to the right . This could be due to degenerative changes . However given vague opacity in Raiders triangle on the lateral view , shallow obliques are suggested to confirm . Elsewhere , at the lungs are clear . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process . Asymmetric density projecting over the left ___ costochondral junction which is likely degenerative in nature however shallow bilateral oblique suggested to confirm .