Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes seen particularly on the right which is likely in part positional and due to scoliosis . There secondary crowding of the bronchovascular markings without confluent consolidation worrisome for pneumonia . Left lung is clear . The cardiomediastinal silhouette is stable . No acute osseous abnormalities . PEG tube projects over the left upper quadrant .
    OUTPUT:
    
No definite acute cardiopulmonary process .