A spokesman said: "This is a deeply personal moment for Ms. Markle in the days before her wedding". The statement did not confirm or deny speculation surrounding his attendance. On Monday night the palace issued a statement asking for Thomas Markle's privacy to be respected, just hours after issuing another cease and desist letter to national newspapers.
Samantha Markle, the actress's half-sister, told the Good Morning Britain TV programme she hoped he would still be there but it depended on his health.
What a unusual thing to mention, that no one covering Meghan and her family had even noticed... we don't want to suggest it's some kind of play for sympathy, but... well...
She tweeted: "The media was unfairly making him look bad so I suggested he do positive photos for his benefit and the benefit of the royal family. It was not for money".
Some of the soldiers who trained and served with the Prince will be supporting him on his wedding day, either riding in the escort or lining the steps of St George's Chapel at Windsor Castle where the marriage service will take place. "I merely wanted him to be seen in a respectable light - I didn't feel that was being done".
He and Ms Markle's mother, Doria Ragland, divorced when Ms Markle was six years old. It is highly unlikely the high-profile wedding, with more than 600 guests ready to attend and food preparation already underway, would be postponed due to Thomas Markle's surgery.
Mr Markle is also reported to have suffered a heart attack in recent days.
Watch this space for more updates on the upcoming Royal Wedding coming at you in a few days.
'She and Prince Harry ask again for understanding and respect to be extended to Mr Markle in this hard situation'.
"Getting a little love from @emiliawickstead on this one".
Also not attending the wedding are foreign heads of states and royals from overseas. "I don't think Meghan is going to be crying into her cornflakes about this - I'm sure she has much bigger things to think about at this time".
Mr Markle is a retired Emmy-award winning lighting director, who worked on shows such as General Hospital.
They will be pulling the couple's carriage of choice an Ascot Landau along with another four horses during the procession.