Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Bibasilar streaky opacities are again seen which may represent scarring / atelectasis . Difficult to exclude a component of aspiration / pneumonia . A tiny right effusion is likely present . Cardiomediastinal silhouette is stable . No pneumothorax . No convincing signs of edema . Severe degenerative disease at bilateral shoulders again noted . There is a mild dextroscoliosis centered in the lumbar spine .
    OUTPUT:
    
Bibasilar opacities likely due to a combination of atelectasis , scarring , difficult to exclude a component of aspiration / pneumonia .