Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA AND LATERAL VIEWS OF THE CHEST . Slight blunting of the left costophrenic angle may represent either pleural scarring or tiny pleural effusion . There is no evidence of pneumonia . There is again seen prominence of the left pulmonary artery consistent with patient 's known pulmonic valve disease . Cardiomegaly is stable . There is no pulmonary edema . There is no pneumothorax .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Slight blunting of the left costophrenic angle may represent tiny pleural effusion or pleural scarring . No right pleural effusion .