Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval decrease in small left apical pneumothorax . No signs of tension . Stable small right pleural effusion and left mid lung linear scar . No new focal opacity or pulmonary edema . Heart size , mediastinal contour and hila are otherwise normal . No bony abnormality .
    OUTPUT:
    
Mild interval decrease in small left apical pneumothorax . Results were conveyed via telephone by Dr .___ to Dr . ___ on ___ at 11 :20 AM within 15 minutes of observation of findings .