Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are not completely clear , however may be secondary to poor inspiratory effort . No focal consolidation is seen . There is no gross perihilar abnormality , however evaluation is limited due to poor inspiratory effort . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
No definite pneumonia , however the lungs are not completely clear , possibly due to low volume inspiration . If patient 's symptoms persist , recommend CT to evaluate for underlying lung abnormality . Recurrent and / or chronic pulmonary embolism as a cause of patient 's symptoms , all the a is neither suggested or excluded by a .