Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . There is no pneumothorax , focal consolidation , or pleural effusion . The central pulmonary vessels are engorged , however , there is no edema .
    OUTPUT:
    
No pneumothorax . No acute intrathoracic process .