Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . No focal consolidation is seen . No large pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are stable . No pulmonary edema is seen . Partially imaged left humerus hardware / prosthesis is noted .
    OUTPUT:
    
No acute cardiopulmonary process .