 Using a #10 and #15 scalpel blade, a 5 cm horizontal incision was made in the left pectodeltoid groove, where the skin was dissected and blunted on to the pectoralis major muscle. 
Using a # 10 and # 15 scalpel blade , a 5 cm horizontal incision was made in the left pectodeltoid groove , where the skin was dissected and blunted on to the pectoralis major muscle .