What was supposed to be routine surgery became a little too routine for 43-year-old William McCormack, who is suing Lawrence Hospital Center, claiming that he had to have an appendectomy in the Adirondacks last month — a year after he supposedly had the same operation at the Bronxville medical facility. 
 
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 It's a gut-wrenching tale of surgical déjà vu. 
 
 What was supposed to be routine surgery became a little too routine for 43-year-old William McCormack, who is suing Lawrence Hospital Center, claiming that he had to have an appendectomy in the Adirondacks last month — a year after he supposedly had the same operation at the Bronxville medical facility. 
 
 McCormack, a Bronxville resident, is seeking unspecified damages from Lawrence Hospital and Dr. Michael Kerin, the Tuckahoe surgeon who said he removed McCormack's appendix on Jan. 27, 2013. 
 
 According to a lawsuit filed in state Supreme Court, McCormack says that he experienced severe stomach pains during a visit to Lake Placid in early March. He went to Adirondack Medical Center in Saranac Lake and underwent an emergency operation. 
 
 During the second operation, "it was discovered that (McCormack's) appendix was never removed and was still inside him," court papers say. 
 
 Kerin, who runs Michael Kerin MD, General Surgery & Med Spa in Tuckahoe, did not return calls seeking comment. His website lists Kerin as former director of surgery at Lawrence Hospital. 
 
 The hospital told The Journal News in an email that it was investigating McCormack's claim and does not comment on pending litigation. 
 
 Mitchell J. Baker, the White Plains lawyer representing McCormack, had no comment, saying only that the lawsuit "speaks for itself." 
 
 Included in the lawsuit is a copy of a Jan. 27, 2013 Operative Report from Lawrence Hospital stating that McCormack's appendix had been removed. The report was electronically signed by Kerin. 
 
 The suit says that after the Bronxville surgery, Kerin told McCormack "that his appendix was removed, and all was otherwise satisfactory." 
 
 A report from Lawrence Hospital's Pathology Department, however, says that while the department received a specimen bearing McCormack's name and marked "appendix," the final pathologic diagnosis states that "there is no evidence of appendix." 
 
 "Lawrence Hospital never notified Mr. McCormack that there was no evidence of an appendix in the specimen... despite its knowledge that the specimen marked 'appendix' was not an appendix and/or that something had gone amiss in the operation conducted by Dr. Kerin," the lawsuit says. 
 
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 BRONXVILLE - A Bronxville man is suing Lawrence Hospital because he had to have surgery twice to get his appendix removed. 
 
 Investment banker William McCormack took an emergency trip to Lawrence Hospital back in 2013, when doctors diagnosed his extreme stomach pain as acute appendicitis. The now 43-year-old underwent surgery and was told his appendix was removed. 
 
 About a year after his surgery, McCormack was in upstate New York when he started to feel those same stomach pains. When doctors examined him, they discovered that he still had his appendix. 
 
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 McCormack is suing the hospital and the surgeon who claims he performed the appendectomy. The lawsuit claims what was actually removed from McCormack was a "yellowish mass," not his appendix. 
 
 His attorney says documents show the hospital and the doctor, Michael Kerin, realized the mistake and carelessly ignored it. McCormack is asking to be compensated not just for the pain and suffering, but also for having to go under the knife twice. 
 
 Attorney Mitchell Baker says the hospital and surgeon may have been faced with more than medical malpractice had McCormack’s appendix not been removed upstate. 
 
 Calls for comment have not been returned by Lawrence Hospital.
– When William McCormack went into a medical center in the Adirondacks last month with severe stomach pains, he ended up getting an emergency appendectomy ... which came as quite a surprise to him, considering he thought he'd already had his appendix removed in Bronxville, New York, last year. The 43-year-old is now suing Lawrence Hospital and Dr. Michael Kerin, the surgeon who claimed to have removed McCormack's appendix in January 2013, the Journal News reports. McCormack was on vacation near Lake Placid in early March when he had to undergo emergency surgery, during which surgeons "discovered that (McCormack's) appendix was never removed and was still inside him," according to his lawsuit. Also included in the suit: a copy of the post-op report from Lawrence Hospital, which is signed by Kerin and claims McCormack's appendix had indeed been removed. It's not clear how exactly the hospital failed to alert McCormack he was still in possession of the body part, as a report from the pathology department states, "there is no evidence of appendix" in the specimen marked "appendix." So what was removed from McCormack's body? A "yellowish mass," according to News 12.