Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Very shallow inspiration , new since prior , accentuating heart size , pulmonary vascularity . New left basilar consolidation , with volume loss , likely atelectasis ; consider pneumonitis in the appropriate clinical setting . Small pleural effusion can not be excluded . Right lung is clear . No pneumothorax . Degenerative changes thoracic spine .
    OUTPUT:
    
Left basilar consolidation , with volume loss , likely represents atelectasis . Consider pneumonitis in the appropriate clinical setting . Small pleural effusion can not be excluded .