Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are non-displaced fractures of the third through sixth right posterior ribs , with segmental fractures of the fifth and sixth ribs . There is a small pneumothorax on the right . There is no shift of the mediastinum . There is no pleural fluid on the right . The left hemithorax is clear without pneumothorax or pleural effusion . There is no consolidation . The aorta is tortuous . There is mild cardiomegaly . The mediastinal silhouette is normal . Multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
1 . Nondisplaced fractures of the third through sixth right posterior ribs with segmental fractures of the fifth and sixth ribs . 2 . Small right - sided pneumothorax without mediastinal shift . 3 . Mild cardiomegaly .