Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP radiograph of the chest demonstrates a mildly enlarged cardiomediastinal silhouette . There is a focal nodular opacity in the right lung base . There are also patchy right basilar opacities as well as linear opacities in the retrocardiac region of the left lung base . There is no definite pleural effusion . There is no pneumothorax . There is tortuosity of the aorta .
    OUTPUT:
    
Nodular opacity in the right lung base in addition to patchy opacity . Differential includes scarring , atelectasis , or pneumonia in the appropriate clinical setting , although a focal nodular component in particular may represent a true nodule . Correlation with prior imaging of the chest is recommended . If not available CT of the chest is recommended when clinically appropriate . The case was discussed by Dr . ___ with Dr . ___ by phone at 10 :07 a .m . on ___ .