Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate stable cardiomegaly . Lungs are clear . No pleural effusion or pneumothorax present . Pacing wires are stable in position . Left - sided PICC line likely terminates within the right atrium .
    OUTPUT:
    
Stable cardiomegaly . No acute process .