Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is a mild cardiomegaly , unchanged from the prior exam . The left atrial appendage is prominent . Otherwise , cardiomediastinal and hilar contours are unremarkable . A left - sided tunneled line is present and ends in the mid SVC .
    OUTPUT:
    
Stable mild cardiomegaly . Left - sided tunneled line ends in the mid SVC . No evidence of acute cardiopulmonary process .