Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is no pleural effusion or pneumothorax . There is a new vague density overlying the posterior aspect of the right fifth rib , unclear whether this reflects a true density within the parenchyma . Dedicated PA and lateral chest radiographs recommended for further evaluation . Otherwise , the appearance of the lungs remains unchanged .
    OUTPUT:
    
There is a new vague density overlying the posterior aspect of the right fifth rib , for which dedicated PA and lateral views are recommended to further evaluate , it is unclear whether this reflects a true density within the lung parenchyma .