Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is a stable . Retrocardiac opacities most likely correspond to a hiatal hernia . Several punctate dens nodules throughout the lungs could represent calcified granulomas . There is mild vascular congestion . There is no pneumothorax . Left effusion is small . . The aorta is tortuous Degenerative changes in the thoracic spine are mild
    OUTPUT:
    
Mild vascular congestion Probably calcified granulomas Hiatal hernia