Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , no change in the positioning of the left - sided AICD leads , projecting to the right atrium and right ventricle . Mild cardiomegaly is unchanged . No new focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No acute intrathoracic process . No change since ___ .