Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral views of the chest were performed . There is apparent obscuration of the right heart border , however , without a consolidation seen on the lateral view , likely positional . There is no pleural effusion or pneumothorax . The cardiac silhouette and mediastinal contours are normal . The hilar structures are unremarkable . The imaged upper abdomen appears normal .
    OUTPUT:
    
No acute cardiopulmonary process .