Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One portable semi-erect AP view of the chest . Compared to most recent chest radiograph , the mediastinum is more widened . Given the patient 's manubrium fracture , this is concerning for a mediastinal bleed . Endotracheal tube ends 5 cm from the carina . There are low lung volumes and new right mid lung linear opacity probably representing atelectasis . No evidence of pneumonia . No pleural effusions . No pneumothorax . Increased vascular congestion .
    OUTPUT:
    
1 . Increased widening of mediastinum is concerning for mediastinal bleed given the patient 's history of trauma and manubrium fracture . 2 . New right mid lung atelectasis . These findings were discussed with Dr . ___ ___ at 1 p .m . on ___ by telephone .