Is it a sin for a person to remain with gender identity disorder without marriage or treatment, while committing not to fall into forbidden acts?

The inclination towards women due to this disorder causes severe harm and leads to apparent corruptions. The preponderant opinion is that it is obligatory to seek treatment for it through lawful means, especially since leaving it untreated may lead to the destruction of the self or one of its organs, or its incapacitation. Therefore, it is not permissible to abandon treatment for this disorder, and its cure is readily available from specialists in psychiatry.