Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are somewhat low lung volumes but clear with linear streaky basilar atelectasis . No focal consolidation , pleural effusion or pneumothorax seen . Heart is normal in size without findings of overt pulmonary edema . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
No acute intrathoracic process .