Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . The cardiomediastinal and hilar contours are normal . No pleural effusion or pneumothorax . Streaky opacities along the right medial lower hemithorax most likely represent atelectasis ; however , early pneumonia can not be ruled out in the correct clinical setting . Sternotomy wires and mediastinal clips are intact .
    OUTPUT:
    
No evidence of pulmonary edema . Streaky opacities at the right lower medial lung hemithorax most likely represent atelectasis ; however , early pneumonia is also a possibility in the correct clinical setting .