Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are in general low lung volumes with retrocardiac and left lower lobe atelectasis along with some streaky atelectasis in the right lower lobe . Crowding of the bronchovascular structures is noted , but no evidence of overt pulmonary edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal in size .
    OUTPUT:
    
Bilateral atelectasis likely due to low lung volumes . Follow up PA and lateral radiographs can be obtained when the patient is stable to better evaluate for lung pathology .