Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . There is again a convex contour of the right upper mediastinal margin as well as moderate unfolding and calcification along the aorta . The heart is again at the upper limits of normal size . There is mild hyperinflation . Mild spinal degenerative changes appear stable . No pleural effusion or pneumothorax . There is new vague hyperdense focus projecting along the anterior margin of the right fifth rib along the expected site of the costochondral junction . This may be due to intercurrent , but not necessarily acute , injury involving the rib ; it is also difficult to exclude a lung nodule .
    OUTPUT:
    
1 . No evidence of acute disease . 2 . New vague density projecting along the costochondral cartilage of the right anterior fifth rib , although the density also projects over the right lung and a lung nodule can not be excluded . Either dedicated right rib radiographs or consideration of chest CT is suggested to evaluate further when clinically appropriate . Findings and recommendations discussed with Dr . ___ at 2 : 50 pm on ___ , by telephone .