A 19-French Blake drain was placed in Morrison's pouch lateral to the gallbladder fossa and was secured in place with 2-0 nylon; this was a 19-French round Blake. 
A 19 - French Blake drain was placed in Morrison 's pouch lateral to the gallbladder fossa and was secured in place with 2 - 0 nylon ; this was a 19 - French round Blake .