The legendary adult film star was admitted to the intensive-care unit at Los Angeles' Cedars-Sinai Medical Center on Tuesday (29Jan13), complaining of severe chest pains.
His medical team discovered an aneurysm near his heart, and surgeons subsequently operated on the 59 year old.
Jeremy's doctors have confirmed to EOnline.com the procedure went ""smoothly"", adding, ""(He is) now resting with complete privacy and no visitors. Everyone on Ron's team has expressed well wishes and a speedy recovery!""
The porn icon, who has appeared in more than 2,000 explicit films throughout his career, had been booked to appear at a Super Bowl Sunday party this weekend (03Feb13) in Dedham, Massachusetts. It's unknown if he will be well enough to attend the event.