Complex sentence: In Roman Catholicism, if a body remains incorruptible after death, this is generally seen as a sign that the individual is a saint, although not every saint is expected to have an incorruptible corpse.
Split into simpler sentences: In Roman Catholicism, if a body remains incorruptible after death, this is generally seen as a sign that the individual is a saint. Not every saint, however, is expected to have an incorruptible corpse.