Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change . Multiple support devices including ETT , right internal jugular venous approach Swan___ Ganz catheter , left chest tube , and enteric tube appear unchanged in position . Retrocardiac opacity , likely atelectasis , and lower lung volumes are also unchanged . Severe cardiomegaly with minimal edema are also overall unchanged accounting for redistribution . Left pleural effusion is small . Median sternotomy wires are intact . No pneumothorax .
    OUTPUT:
    
No significant interval change .