Table 2: Summary of the surgical steps for intracranial migration of Foley balloon catheter.

Surgical steps (FCTP)
1 Facing the interior wall of cavity of tumor with Surgicel®.
2 Cutting the tip part of the Foley balloon catheter carefully without impairing the liquid capsule.
3 Testing the safety of water capsule without creases to ensure that it is excessively transparent by priming with 50 ml water gradually and then swabbing off all the saline.
4 Putting Foley balloon catheter into residual cavity then fill with 15-50 ml saline according to the size of the residual cavity.