Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Percutaneous pacer wires within overlying controller device again project over the left lower hemithorax . As before , moderate elevation is noted of the right hemidiaphragm . The heart appears again enlarged . There is mild vascular congestion . There is no definite pleural effusion . Posterior right basilar opacity is unchanged and suggests atelectasis .
    OUTPUT:
    
Findings consistent with mild vascular congestion .