 The prominent area of the left submandibular swelling was noted and a 1-cm incision was outlined with a marking pen and the area was infiltrated with 0.5 mL of local anesthetic using 1% Xylocaine with epinephrine 1:100,000. 
The prominent area of the left submandibular swelling was noted and a 1 - cm incision was outlined with a marking pen and the area was infiltrated with 0.5 mL of local anesthetic using 1 % Xylocaine with epinephrine 1:100,000 .