HPB disease refers to any condition affecting the hepato-pancreato-biliary system, which includes the liver, pancreas, gallbladder, and bile ducts. It is not a single disease but rather an umbrella term for a wide range of disorders in these connected organs. These are among the most common disorders of the digestive system, and they range from gallstones and inflammation to cancers that require complex surgery.
The Organs Involved
The “H” stands for hepatic (liver), the “P” for pancreatic (pancreas), and the “B” for biliary (gallbladder and bile ducts). These organs work together to produce bile, regulate blood sugar, filter toxins, and break down fats. Because they share a complex network of ducts and blood supply, a problem in one organ often affects the others. A tumor in the head of the pancreas, for example, can block the bile duct and cause symptoms that look like a liver problem.
This interconnection is also why HPB conditions are grouped together as a medical specialty. Surgeons and doctors who treat HPB disease have specialized training to manage the overlap between these organs.
Common HPB Conditions
The spectrum of HPB disease is broad. On the liver side, it includes chronic liver disease, cirrhosis, liver tumors (both benign and cancerous), and fatty liver disease. Globally, roughly 1.7 billion people were living with some form of chronic liver disease in 2021, with about 58.4 million new cases diagnosed that year alone. Fatty liver disease tied to metabolic problems has been rising especially fast in people under 50.
Pancreatic conditions include pancreatitis (inflammation of the pancreas), pancreatic cysts, and pancreatic cancer. Pancreatitis can be a one-time event triggered by gallstones or heavy alcohol use, or it can become a chronic condition that gradually damages the organ.
Biliary diseases affect the gallbladder and bile ducts. The most common is gallstones, which can lead to inflammation of the gallbladder. Bile duct stones, gallbladder polyps, and cancers of the bile duct or gallbladder also fall under this category. Two autoimmune conditions, primary biliary cholangitis and primary sclerosing cholangitis, cause progressive damage to the bile ducts over time.
Symptoms to Recognize
HPB diseases share several overlapping symptoms because the organs are so closely linked. The most common warning signs include upper abdominal pain (particularly on the right side), jaundice (yellowing of the skin and eyes), unexplained weight loss, nausea, and persistent fatigue. Itchy skin is a surprisingly common symptom of bile duct problems, since bile salts build up in the bloodstream when bile cannot flow properly.
Many HPB conditions develop silently. About 60% of people with primary biliary cholangitis, for instance, have no symptoms at all when first diagnosed. Their condition is picked up through routine blood tests showing abnormal liver function. This is true of early-stage liver disease and some pancreatic cysts as well, which is part of what makes these conditions tricky to catch early.
Risk Factors
Lifestyle plays a major role. Research from large population studies shows that people with an unhealthy lifestyle pattern (heavy alcohol use, smoking, physical inactivity, and a poor diet) have roughly four times the risk of developing chronic liver disease compared to those without these factors. That elevated risk held true regardless of genetic predisposition. Each additional metabolic risk factor, such as obesity, high blood pressure, or high blood sugar, increased the risk of chronic liver disease by about 33%.
Genetics do contribute, particularly a well-studied variant in a gene called PNPLA3 that raises susceptibility to fatty liver disease and cirrhosis. But the research consistently shows that modifiable lifestyle factors outweigh genetic risk. This means that even people with a family history of HPB problems can meaningfully lower their risk through diet, exercise, and limiting alcohol.
How HPB Diseases Are Diagnosed
Blood tests measuring liver enzymes, bilirubin, and pancreatic enzymes are typically the first step. Imaging narrows the diagnosis further. Ultrasound is often the initial scan, but more specialized tools are used for bile duct and pancreatic problems.
MRCP (a type of MRI focused on the bile and pancreatic ducts) is a noninvasive scan that can detect stones, strictures, tumors, and structural abnormalities with accuracy comparable to more invasive methods. ERCP remains the gold standard for evaluating the bile and pancreatic ducts, but because it involves threading a scope through the mouth and into the small intestine, it carries more risk. The advantage of ERCP is that it doubles as a treatment tool: doctors can remove stones, place stents, or take tissue samples during the same procedure. The trend in HPB care has been to use MRCP for diagnosis and reserve ERCP for situations that require intervention.
Surgical Treatment
Many HPB conditions are managed without surgery, through medication, lifestyle changes, or monitoring. But when surgery is needed, the procedures can be substantial. The most well-known HPB operation is the Whipple procedure, used to treat cancers and other serious conditions of the pancreas, bile duct, or upper small intestine. It involves removing the head of the pancreas, the first portion of the small intestine, the gallbladder, and the bile duct, then reconnecting the remaining organs so digestion can continue. Sometimes part of the stomach or nearby lymph nodes are removed as well.
Liver resection, the surgical removal of part of the liver, is another major HPB procedure. It is used for liver tumors, both primary cancers and cancers that have spread from elsewhere. The liver is unique in its ability to regenerate, which makes partial removal feasible even when a significant portion of the organ is taken out.
Recovery After HPB Surgery
Recovery timelines vary depending on the operation. For open liver surgery, hospitals using modern enhanced recovery protocols have reduced the typical stay to about four days, compared to seven days with older standard care. Patients are generally encouraged to start walking within a day or two of surgery, and catheters and drainage tubes are removed early to speed recovery.
For a Whipple procedure, hospital stays tend to be longer, often one to two weeks, and full recovery can take several months. Digestive changes are common afterward because the anatomy of the upper digestive tract has been rearranged. Many patients need to eat smaller, more frequent meals and may require enzyme supplements to help digest food properly. At specialized centers, about 95% of patients who undergo liver surgery with enhanced recovery protocols are ready to resume their next phase of treatment within three weeks.
The long-term outlook depends heavily on the specific diagnosis. Benign conditions like gallstones have excellent outcomes after surgery. Cancers of the pancreas and bile duct carry a more serious prognosis, though outcomes improve significantly when treated at high-volume centers with HPB expertise.