Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . The lungs are well expanded and clear . There is no pleural effusion or pneumothorax . The heart is mildly enlarged with tortuous aortic contour . Multiple contours along the left heart border are seen , the medial most of which is of uncertain significance .
    OUTPUT:
    
No acute intrathoracic process . Given multiple contours along the left heart border , consider oblique radiographs for further assessment . Findings discussed with Dr . ___ by Dr . ___ at ___ on ___ by phone .