Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two portable views of the chest . Extremely low lung volumes are seen with crowding of the bronchovascular markings . Elevation of the right hemidiaphragm is again seen . Linear right basilar opacities , potentially atelectasis versus scarring , unchanged . There is no definite superimposed consolidation or large effusion . Degree of cardiomegaly has likely not changed given differences in technique and positioning . Fractured first and third from the top sternal wires are again seen .
    OUTPUT:
    
Low lung volumes without definite superimposed acute cardiopulmonary process .