Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is severe cardiomegaly , similar compared to remote prior exam . There are small bilateral effusions , larger on the left . There is superimposed mild pulmonary edema . Linear left mid lung opacity may be impart due to fluid in the fissure or atelectasis , focal infection is possible . No acute osseous abnormalities identified . Median sternotomy wires are noted . Atherosclerotic calcifications seen at the aortic arch .
    OUTPUT:
    
Cardiomegaly and small bilateral effusions with mild pulmonary edema . Left lung opacity potentially atelectasis or fluid in the fissure although superimposed infection is possible .