Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Heart and mediastinal contours are within normal limits . There is straightening of the lumbar spine .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process . Straightening of the lumbar spine noted on attending radiologist review , which could be secondary to muscle spasm or other pathology . Clinical correlation is recommended . This finding and recommendation were e-mailed to the ED QA nurses by Dr . ___ at 7 : 56 a .m . on ___ , since the patient had already been discharged .