Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are low in volume but clear . No pleural effusion or pneumothorax is seen with a right lateral pleural thickening likely related to the focal area of infarct seen on prior chest CT . Heart is normal in size with normal cardiomediastinal contours .
    OUTPUT:
    
No acute intrathoracic process .