Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are unchanged with mild cardiomegaly , pacer lead in standard position and tortuous aorta . . There are few nodular opacities in the right perihilar region and right upper lung otherwise the lungs are clear . Air filled . There is no pneumothorax or pleural effusion . There are moderate degenerative changes in the thoracic spine
    OUTPUT:
    
No pulmonary edema . Compared to prior study faint nodular opacities in the right lung are grossly unchanged . Followup with CT would be helpful to assess for evolution of the preexistent lung nodules