Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . Mediastinal clips are seen . There are low lung volumes . The evaluation of the heart is difficult due to low lung volumes . No definite focal consolidation is seen . Assessment for pleural effusions is noted . Right shoulder degenerative changes .
    OUTPUT:
    
Limited study . Extrememly low lung volumes . No frank pulmonary edema . Repeat with better respirator effort if desired .