Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Motion artifact is noted on the lateral radiograph . There has been interval removal of the right central catheter . Frontal and lateral chest radiographs demonstrate a mildly enlarged cardiomediastinal silhouette and improved atelectasis at the right lung base . No focal consolidation , pleural effusion , or pneumothorax is identified . There may be mild vascular congestion , without frank pulmonary edema .
    OUTPUT:
    
1 . Mild vascular congestion , without frank pulmonary edema . 2 . Improved right base atelectasis .