Our extensive collection of web-based and other resources for patients, families, and caregivers provides easy access to information on a wide variety of subjects related to pancreatic cancer.

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There are currently 35 Terms in this directory beginning with the letter P.
Paclitaxel (Abraxane)
One of the approved chemotherapy drugs for pancreatic cancer, it inhibits cell division and promotes cell death. It is often given with gemcitabine. (See also Nab-paclitaxel.)
Palliative care
Healthcare that specializes in the relief of suffering and improvement in quality of life.
Palliative surgery
For pancreatic cancer patients, any noncurative surgical procedure that may be used to help relieve symptoms such as jaundice, nausea, vomiting, and pain to improve quality of life.
An organ of the digestive system located deep in the abdomen that produces both pancreatic enzymes to aid in the digestion of food and hormones such as insulin.
A surgical procedure in which part or all of the pancreas is removed.
Pancreatic cancer
A malignant tumor of the pancreas. There are two main types: adenocarcinoma, which makes up the vast majority of cases, and neuroendocrine cancer, which is the remaining 5 percent of cases.
Pancreatic cyst
Saclike pouches of fluid within the pancreas. Most do not cause symptoms and are not cancerous, but some can become malignant.
Pancreatic duct
Main duct that runs along the entire length of the pancreas and merges with the bile duct.
Pancreatic enzymes
Proteins produced by the pancreas to aid in the digestion of food.
Pancreatic intraepithelial neoplasia (PanIN)
Lesions too small to see with the naked eye that can progress to invasive pancreatic cancer over time.
Pancreatic neuroendocrine tumor (PNET)
This type of pancreatic tumor develops from the abnormal growth of endocrine (hormone-producing) cells in the pancreas called islet cells. PNETs grow more slowly and may have a higher survival rate. Not all types of PNETs are cancerous.
Surgical procedure in patients with pancreatic cancer that removes part of the stomach, the duodenum, the head of the pancreas, part of the bile duct, the gallbladder, and lymph nodes in the area of the pancreas (See Whipple procedure.)
Inflammation of the pancreas.
Removal of the head of the pancreas and parts of other nearby organs. Also called a Whipple procedure.
A physician trained to examine cells under a microscope for the diagnosis of cancer and other diseases.
Pathology report
A document with information about cells and tissue removed from the body and examined in a lab.
Patient-controlled analgesia (PCA)
Method of pain relief, commonly used after surgery in the immediate postoperative period, in which the patient controls the amount of pain medication by pressing a button on a computerized pump connected to a small tube in the body; patients cannot use more than the prescribed amount because the device is programmed for a maximum dosage.
Membrane that lines the abdominal cavity and covers most of the abdominal organs.
Peutz-Jeghers syndrome (PJS)
Genetic disorder in which polyps form in the intestine and dark spots appear on the mouth and fingers, and that increases the risk of developing many types of cancer, including pancreatic cancer.
Phases of clinical trials
Sequential steps of clinical trials designed to answer specific questions and build on information from the previous phase. Phase I: Determines the side effects of a new drug by gradually increasing the dosage and analyzing patients’ responses. Phase II: Determines if the new drug has the potential to be better than current treatments. Phase III: Determines if the treatment is better than, as good as, or not as good as the accepted standard treatment.
Photon beam radiation therapy
Uses X-ray beams to get to the tumor but also can damage healthy tissue around the tumor. Also known as external beam radiation therapy.
Physician assistant
Trained professional who has completed an accredited program and is board-certified to perform certain duties of a physician, under the supervision of a licensed physician; some duties include history-taking, physical examination, and minor surgical procedures.
A substance that has no active ingredient and no therapeutic value.
A device that is surgically installed to create an opening into the body for drawing blood or giving treatments such as intravenous fluids, blood transfusions, or drugs such as chemotherapy.
Portal vein (hepatic portal vein)
Carries blood to the liver from the spleen, stomach, pancreas, and intestines.
Positron emission tomography (PET scan)
Imaging test in which a small amount of radioactive glucose is injected into a vein, a camera detects the radioactivity, and a computer generates detailed images; because cancer cells absorb much more glucose than normal cells, images created by a PET scan can be used to find cancer cells in the pancreas and other parts of the body.
Power of attorney
Legal document that appoints a person to make financial decisions for the patient when the patient cannot.
The expected pattern and outcome of a disease based on tests.
The growth or spread of cancer after being tested or treated.
A molecule made up of amino acids needed for the body to function properly; proteins are the basis of body structures such as the skin and hair, and of substances such as enzymes.
A detailed plan of a medical study, treatment, or procedure.
Proton beam radiation therapy
Treatment with radiation that uses a stream of positively charged particles that can be focused to reach only the targeted area.
Proven therapy
A conventional, traditional, or standard treatment that has been tested and is approved by the Food and Drug Administration (FDA).
A thick ring of muscle (a sphincter) between the stomach and duodenum. This sphincter helps control the release of the stomach contents into the small intestine.
Pylorus-preserving Whipple procedure
Surgical procedure in patients with pancreatic cancer that removes most of the duodenum, the head of the pancreas, part of the bile duct, the gallbladder, and lymph nodes in the area of the pancreas; in this procedure, the stomach is spared.