Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively hyperinflated , suggesting chronic obstructive pulmonary disease . Extensive costochondral calcification is seen . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette mildly enlarged and the aortic calcified and tortuous . Partially imaged is a right humeral prosthesis . Degenerative changes at the left shoulder with a possible loose body again seen .
    OUTPUT:
    
No acute cardiopulmonary process .