Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The heart is mildly enlarged , though this is stable . Patient is slightly rotated to the left on the frontal radiograph , which limits evaluation . There is no focal opacity to suggest pneumonia . No signs of CHF , no effusion and no pneumothorax . A calcified nodular opacity in the left upper lung is stable and likely represents a calcified granuloma . There is no pneumothorax . No displaced rib fractures are seen .
    OUTPUT:
    
Mild cardiomegaly , unchanged . Otherwise , unremarkable .