Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . The lungs are clear of focal consolidation or effusion . Cardiac silhouette is at upper limits of normal . Increased density projects over the left first costochondral junction , likely due to degenerative changes . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .