As a surgery intern, rotating on neurosurgery, my first case was assisting on a brain tumor removal. We used the suction technique to remove the tumor, not a scalpel. Your friend spoke the truth regarding what he was told, tumors can retract/fall back inward…not sure I would say it was ‘sucked’ back in, but I can understand it may be only semantics of words…
As a surgery intern, rotating on neurosurgery, my first case was assisting on a brain tumor removal. We used the suction technique to remove the tumor, not a scalpel. Your friend spoke the truth regarding what he was told, tumors can retract/fall back inward…not sure I would say it was ‘sucked’ back in, but I can understand it may be only semantics of words…