There's a background character with prosthetics and makeup that makes it look like he has a gash in his throat, but it doesn't appear to affect him in any way.
There are two taxidermy rabbits that a character plays with at one point, if you are very sensitive about that sort of thing I suppose it could be upsetting. It is not a significant part of the movie.
it's implied that a character is forced into performing some kind of sex act. she's later shown with her face mutilated as she didn't look happy enough during it.
Ambiguous--two characters act very flirtatious and loving to one another, but are not stated to be in a romantic relationship before one pursues another partner.
Ambiguous--a war is starting between Heaven and Hell, and in the end it's unclear whether or not the focus character is better or worse off after leaving Heaven.