Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates multiple sternotomy wires with the inferior - most wire disrupted , unchanged . The cardiomediastinal silhouette is similar in appearance and there is increased vascular congestion . Increased retrocardiac opacity is likely secondary to atelectasis , but in the right clinical setting , pneumonia can not be excluded . There is no pneumothorax or large pleural effusion .
    OUTPUT:
    
1 . Increased vascular congestion . 2 . Increased retrocardiac opacity is likely secondary to atelectasis , but in the right clinical setting , pneumonia can not be excluded . These findings were communicated via telephone by ___ , MD , to ___ ___ , MS4 / ___ , at ___ on ___ .