Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is lingular scarring with left hemidiaphragmatic elevation , slightly worse compared to the prior exam . Increased opacity at the right lung base reflects minimal atelectasis . The cardiomediastinal contours are stable . No focal consolidations concerning for pneumonia are identified . There may be a small left pleural effusion . There is no evidence of pneumothorax . No definite rib fracture is identified . Compression deformities of the lower thoracic spine appear overall stable compared to the CT from ___ .
    OUTPUT:
    
No definite rib fracture identified ; however , a dedicated rib series would be recommended for further evaluation if there is further clinical concern .