You just had an ultrasound for something unrelated — maybe stomach bloating, or a routine check-up — and the report says "gallstones." Your first thought is probably: Do I need surgery now?Here's the good news: for most people, the answer is no. Not every gallstone needs an operation. But some do. The difference comes down to a few simple questions your surgeon will ask, and this article walks you through them.
What Are Gallstones, Really?Your gallbladder is a small pouch under your liver that stores bile, a fluid that helps you digest fat. Sometimes, substances in bile — mostly cholesterol — harden into small stones. They can be as tiny as a grain of sand or as large as a golf ball, and you can have one stone or dozens.Gallstones are extremely common. Somewhere between 1 in 10 and 1 in 5 adults have them, and most people never even know it.Silent Stones: The Ones That Don't Cause TroubleIf your gallstones were found by accident, and you've never had the classic pain — a steady ache under your right ribs or in the pit of your stomach, often after a fatty meal, lasting an hour or more — you likely have what doctors call "silent" or "asymptomatic" gallstones.Here's the reassuring part: most people with gallstones — somewhere between 50% and 70% — actually have no symptoms at all. And research that followed patients for years found that people with silent gallstones only go on to develop symptoms at a rate of about 1% to 2% per year. That's a low number, year after year.Because of this, the standard advice is "watchful waiting" — keeping an eye on things rather than rushing to surgery. Your doctor may simply ask you to watch for warning symptoms and, in some cases, repeat an ultrasound down the line. Alongside this, healthy habits like maintaining a good weight, eating a lower-fat diet, and staying active can help lower your risk of stones causing problems.
In plain terms: if your stones aren't bothering you, they usually don't need to come out.When Symptoms Start, the Picture Changes. Once gallstones start causing pain — what's called biliary colic — the situation is different. This pain is usually steady, moderate to severe, sits under the right ribs or upper stomach, and lasts one to several hours before easing off.Unlike silent stones, symptomatic gallstones tend to keep causing trouble. Once someone has had one attack of pain, further attacks and complications become much more likely, which is why surgeons generally recommend removing the gallbladder — a procedure called a cholecystectomy — once true gallstone pain has occurred. Left untreated, symptomatic stones can lead to more serious problems: inflammation of the gallbladder (cholecystitis), stones slipping into the bile duct, infection, or inflammation of the pancreas.
The good news here too: gallbladder removal is one of the most common and safest operations performed today, usually done laparoscopically (through small keyhole incisions) with a quick recovery.
Special Situations: When Surgery Is Suggested Even Without PainEven if you've never had symptoms, there are a handful of situations where your surgeon may still recommend removing the gallbladder as a precaution. These aren't about the stones themselves being dangerous — they're about specific features that raise the risk of something more serious, like gallbladder cancer, down the road:
•Very large stones. Stones larger than about 3 cm are linked to a higher long-term risk of gallbladder cancer, so surgery is sometimes advised even without pain.
•A "porcelain" gallbladder. This is a rare condition where the gallbladder wall becomes calcified (hardened, like porcelain). It's been associated with cancer in a meaningful share of cases, so most surgeons recommend removal even though the stones are silent.
•Gallbladder polyps found alongside stones. These need their own evaluation based on size and appearance.
•Certain high-risk backgrounds. Some ethnic and geographic populations — for example, certain Indigenous American and Chilean populations, and some regions of North India where gallbladder cancer is more common — carry a higher baseline cancer risk with gallstones, so the threshold for offering surgery is sometimes lower.
•Before weight-loss (bariatric) surgery, some surgeons remove the gallbladder at the same time if stones are found, since rapid weight loss afterward can otherwise trigger symptoms.•A non-functioning gallbladder, or unusual anatomy of the bile ducts, found on imaging.If none of these apply to you, having silent stones alone is not, by itself, a reason to operate.