Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Normal heart size , mediastinal and hilar contours . The 5 mm nodular opacity projecting over the left mid lung is again visualized not significantly changed from prior . No focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No acute process 2 . Unchanged 5 mm nodular opacity projecting over the left mid lung .