Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . Mediastinal and hilar contours are unremarkable . Ill - defined opacity within the lingula is unchanged compared to the prior exam . Remainder of the lungs are clear . No pleural effusion , focal consolidation , or pneumothorax is seen . Small hiatal hernia is demonstrated . There is eventration of the left hemidiaphragm . A VP shunt catheter is noted coursing along the right anterior chest wall , but the distal aspect is not clearly visualized . There is mild left basilar atelectasis .
    OUTPUT:
    
Unchanged rounded opacity within the lingula compatible with patient 's known malignancy . No new areas of consolidation identified .