Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the current examination , inspiratory volumes are quite low . Allowing for this , no obvious change is detected compared with ___ . Prominence of the cardiomediastinal silhouette is likely accentuated by low inspiratory volumes . There is increased opacity along the right mediastinal silhouette , not fully evaluated on the AP view , but grossly unchanged . There is prominent atelectasis in both lungs . Minimal blunting of the left costophrenic angle is probably also unchanged . Focal opacity seen posteriorly , some more pronounced than on the prior study , question focal area of atelectasis . No obvious pneumothorax is identified and no gross effusion is seen .
    OUTPUT:
    
1 . Compared to ___ , no definite change . Focal hazy opacity posteriorly is of uncertain etiology , question new area of atelectasis . The differential diagnosis could include new interval presentation of a diaphragmatic hernia . 2 . Known rib fracture is not well depicted radiographically . 3 . The patient 's right clavicular fracture is noted .