Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Subtle nodularity in the right medial lung base is evident only on the frontal projection which is of unclear etiology . While this finding could represent pneumonia , the possibility of acute pulmonary nodule is not excluded . Recommend followup post - treatment to ensure resolution . Otherwise , the lungs are clear . Cardiomediastinal silhouette is normal . Bony structures any structures are stable with a mild mid thoracic compression deformity .
    OUTPUT:
    
Subtle nodularity at the right medial lung base evident only on the frontal projection . This may represent pneumonia . Followup to resolution is recommended as a true pulmonary nodule can not be entirely excluded .