Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Ill - defined airspace opacity in the right lower lung on the frontal view may represent atelectasis in the setting of low lung volumes or developing consolidation . There is no lobar consolidation . There are small bilateral pleural effusions and bibasilar atelectasis . There is no pneumothorax , noting at the lung apices are obscured by patient 's chin . There is no pulmonary edema . The cardiomediastinal silhouette is normal . The descending aorta is tortuous . There is diffuse demineralization . Partially evaluated posterior spinal fusion hardware appears intact .
    OUTPUT:
    
1 . Ill - defined right lower lung airspace opacity may represent atelectasis in the setting of low lung volumes or developing consolidation . 2 . Small bilateral pleural effusions without pulmonary edema .