Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The film is rotated which limits evaluation . No focal opacity concerning for pneumonia is identified . Blunting of the right costophrenic angle is due to pleural thickening . Pleural effusions are tiny , if any . The aortic knob is calcified . The heart size is normal . A cortical irregularity in the right lateral ninth rib could represent a non-displaced fracture .
    OUTPUT:
    
No focal opacity concerning for pneumonia . A cortical irregularity in the right lateral ninth rib could represent a non-displaced fracture .