NEW YORK (CBSNewYork)New Jersey Gov. Phil Murphy has undergone surgery Wednesday to remove a tumor.

New Jersey’s Lt. Gov. Shelia Oliver described the surgery as “successful” and said Murphy is now resting in a hospital in New York City.

READ MORE: MTA, Union Leaders Call For More NYPD Officers To Patrol Subways After Off-Duty Conductor Nearly Blinded By Attacker

Last month the governor announced he has a tumor on his left kidney.

READ MORE: New Jersey Native Jovan Collazo Accused Of Hijacking School Bus At Gunpoint, Holding Elementary School Students Hostage In South Carolina

Doctors are now checking to see if the tumor is cancerous.

Murphy said his prognosis is very good and that he was grateful to his doctors for detecting the tumor early.

MORE NEWS: NYPD Investigating Possible Hate Crime After Statue Of Polish Hero Father Jerzy Popiełuszko Is Vandalized

Oliver is serving as acting governor until further notice.