Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The heart is normal in size . The mediastinum is not widened . The hila are within normal limits .
    OUTPUT:
    
No acute intrathoracic process - no pneumonia or PCP on radiograph .