Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new electronic device resides in the subcutaneous soft tissues overlying the left mid chest . Allowing for differences in technique , the only other change is an apparent increase in the size of the heart , which now appears mildly enlarged . Streaky lingular opacity suggests minor scarring . Otherwise , the lungs appear clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
New mild cardiomegaly . No evidence of acute disease .