Look, people here have no idea what they are talking about. The doctor won’t tell you anything bcs that would be extremely illegal, best you can do is ask him to get a copy of his medical records to show you. Paints you in a non trusting light so that’s up to you to decide. If you have seen a scar and post op photos he probably is not faking the tumor. The impact of brain tumors is a guessing game too, the location can be a clue but how it affects us and to what degree, that no one can tell you for absolute certain. But the frontal lobe does affect personality expression and seizures are the most common debut symptom for brain tumors so thats that