Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . Prominence of interstitial markings is consistent with mild pulmonary edema , slightly worsened from the prior exam . There is no definite focal consolidation , pleural effusion , or pneumothorax . Retrocardiac opacity likely due to atelectasis . Patient is status post median sternotomy . There are fractured wires superiorly , which appear different in configuration since ___ with wire fragments in different positions . Cardiomegaly is unchanged with dense aortic valvular calcifications . Osseous structures are intact .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema , slightly worse than prior study . 2 . Retrocardiac opacity , likely atelectasis . 3 . Fractured median sternotomy wires superiorly with displaced wire fragments .