Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires are again noted as well as fusion hardware in the lower cervical spine . Cardiomegaly is mild and there is pulmonary vascular congestion and mild interstitial pulmonary edema . There is likely partially loculated effusion along the left fissure accounting for left mid lung opacity . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly , congestion and mild interstitial edema . Probable small perifissural fluid on the left .