Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extremely low lung volumes are seen with secondary crowding of the bronchovascular markings . There is no effusion or focal consolidation . No definite pulmonary edema within limitations above . Right chest wall port is identified . Cardiomediastinal silhouette is prominent but accentuated by technique .
    OUTPUT:
    
Low lung volumes without definite superimposed acute cardiopulmonary process .