Kelly's wife Jill welcomed the news in a note posted on her Instagram account.
The statement was issued a day after Kelly visited the hospital for a follow-up examination.
In one of his first public appearances following the treatments,NFL Jerseys Supply, Kelly surprised Bills players and staff by showing up to one of their final minicamp practices in June.
Kelly's battle with cancer has been a public one,China NFL Jerseys, and attracted thousands of supporters and well-wishers on social media.
Kelly was in a weakened state following a two-month barrage of treatments last spring.
Hall of Fame quarterback Jim Kelly received encouraging news in his battle with cancer.
"The treatments have so far completely eliminated Mr. Kelly's pain,Discount NFL Jerseys, and his level of function has essentially returned to normal," said Costantino, who heads the hospital's head and neck institute. "Further, on physical examination,Brett Favre Falcons Jersey, there is no evidence of the cancer."
"Kelly Tough" and "Prayers For JK" have become catch phrases and hashtags on Twitter by those voicing their support for Kelly.
Costantino said a series of tests over the next week will determine if further treatments are necessary.
An initial physical exam showed no evidence of sinus cancer three months after the former Buffalo Bills quarterback completed radiation and chemotherapy treatments, Dr. Peter Costantino said in a release issued by New York City's Lenox Hill Hospital on Wednesday.
A day later, Kelly served as the Bills honorary captain before their preseason-opening game against the New York Giants.
Kelly had surgery in June 2013 to remove cancerous cells in his upper jaw. The cancer then spread to his sinus in March.
Kelly was then strong enough to attend the Pro Football Hall of Fame induction ceremonies in Canton, Ohio, three weeks ago, when former Bills teammate, receiver Andre Reed,Cheap Nike NFL Jerseys, was among the seven inductees. Reed closed his speech by having Kelly throw him a pass on stage.
"It is possible that no further treatment will be required," he said.
"We have come away from our checkup visit in NYC encouraged and hopeful," she wrote.
She added that the follow-up tests will include biopsies to confirm the cancer has been eradicated,China Jerseys Wholesale.
