Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient positioning is somewhat suboptimal as the patient 's mandible projects over the upper chest . Lung volumes are slightly low . There is linear atelectasis or scarring in the left mid lung . No definite consolidation seen . Assessment of the cardiomediastinal contour is really not possible . No pleural effusion seen .
    OUTPUT:
    
Allowing for the limitations of the technique , no acute cardiopulmonary process seen .