This map shows the military situation in the Iraqi city of Mosul on March 6, 2017. Iraqi security forces liberated the Tell Ruman neighbourhood and launched an advance in the ISIS-held neighbourhood of Al-Mansour.
Click to see the full-size map
Military Situation In Iraqi City Of Mosul On March 6, 2017
From that pic ,there is still a way for ISIS to escape by the back door, surround it and stop them, then kill them all.