When I first saw this movie, it was an "TBS afternoon movie," which usually means "the bad movie in a package of other movies." The characters are semi-interesting, and the problem seems to be under control...then "bad things start happening." As the neck tumor grows, it becomes a race against time to figure out what it is. Eventually, the main character discovers that this is a Demonic Possession in progress, and the trail leads to a Native American medicine man. Things look bad, since the possessed subject usually dies when the Demon arrives, but this one has been subjected to X-Rays. Complete suspension of disbelief is required once The Final Battle takes place with "OK for TV"-level SFX. I find myself hunting for it when "there's nothing good playing on cable TV." (Which has become way too often these days.) Besides, modern TV directors "paint it Black" and I'm left staring at nothing but a dark screen, while hearing stunts performed at "Jackie Chan in Hong Kong" levels. Let's put it this way, "The Forest" (2016) was less interesting than "The Manitou."