Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . No priors . Lungs are clear of consolidation or effusion . There is , however , suggestion of an nodule in the retrocardiac region at the left lung base measuring approximately 1 cm , also seen on the lateral view . Cardiac silhouette is slighly enlarged . The aorta is torturous with atherosclerotic calcification at the arch . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Cardiomegaly . Possible nodule in the retrocardiac region for which repeat exam with PA technique and lateral view is recommended . An email regarding the recommendation for repeat chest radiographs in short - term follow - up of a possible nodule was sent the ER QA nursing group .