After refusing to provide details since Jan. 26, saying that the information was private, Adams spokeswoman Kayla Mamelak said the mayor had undergone an MRI scan, blood work and a screening for the bacteria H. pylori, to try to identify why he had a pain in his side.

Last week was scary, it was hard, I’m not going to lie to you,” is all he told the crowd at his annual interfaith breakfast held in New York Public Library.