Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New small left apical pneumothorax without mediastinal shift or flattening of left hemidiaphragm . Pacemaker is seen projecting over left pectoral region with single lead tip in right ventricle . Lungs otherwise clear bilaterally without pleural effusion . Heart size is top normal with normal mediastinal contours and hila . No bony abnormality .
    OUTPUT:
    
Small left apical pneumothorax without radiographic evidence of tension . Results were conveyed via telephone to Dr . ___ by Dr . ___ on ___ at 11 :50 a .m . within five minutes of observation of findings .