Caustic Cuttings. Some horror fans love it, others not so much, which where horror film fans are concerned comes as absolutely no surprise. So roll the dice and take your chance here then! American Mary is written and directed by Jen and Sylvia Soska. Katharine Isabelle (looking uncannily like Mary Elizabeth Winstead) stars as the titular Mary of the title. She's a medical student who during a cash crisis is lured to the underground world of surgeries not deemed as the norm in medical school circles... Hoo-hah! Get ready for sexual deviance, dismemberment, human splicing and a whole host of…