Stomach (gastric) cancer is cancer that starts in the cells lining the stomach. The stomach is an organ on the left side of the upper abdomen that digests food. The stomach is part of the digestive tract, a series of hollow, muscular organs joined in a long, twisting tube from the mouth to the anus. The digestive tract...
Looks at sleeve gastrectomy, a type of weight-loss surgery for obesity. Explains what it is and why it is done. Looks at how it is done and what to expect after surgery. Also covers risks.
In gastric sleeve surgery, part of the stomach is removed to make it smaller. This leaves a vertical sleeve, or tube, about the size of a banana. With a smaller stomach, you will feel less hungry and feel full a lot sooner than you are used to. This can help you eat less and lose weight.
Learn how gastric sleeve surgery is done and what to expect after surgery.
Get tips on how to take care of yourself at home after you have gastric sleeve surgery.
A gastrin test measures the level of the hormone gastrin in the blood. Gastrin is produced by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of gastrin in the blood. As blood levels of gastrin rise, the stomach releases acid (gastric acid) that helps break down...
What is gastritis? Gastritis is an upset stomach. It happens when something irritates the stomach lining. Normally, a layer of mucus protects the stomach lining. If gastritis occurs for a long time, part of this lining may wear away. This causes sores called ulcers. What causes it? Many things can cause gastritis, such...
Gastritis is inflammation or irritation of the stomach lining, which can be caused by some medicines (such as aspirin or anti-inflammatory medicines), overuse of alcohol, bacterial infection, or stomach acid. Symptoms of gastritis include pain or discomfort in the upper abdomen, bloating, nausea, and sometimes vomiting...
A dull ache in your belly may be a sign of gastritis, an inflammation of the stomach lining. First uncover the cause. Then control the discomfort. According to research or other evidence, the following self-care steps may be helpful. Get to know gamma oryzanol Take 300 mg a day of this supplement to improve gastritis...
Discusses gastroenteritis (also called stomach flu) caused by a virus or bacteria. Covers symptoms like nausea, vomiting, diarrhea, and fever. Offers home treatment tips. Also offers prevention tips. Covers when you should seek care.
Gastroenterologists are medical doctors who specialize in the diagnosis and treatment of diseases of the digestive system, such as hepatitis, ulcerative colitis, Crohn's disease, and colon or rectal cancer. Gastroenterologists may perform many specialized tests, such as endoscopy, to diagnose or treat diseases. When...
Discusses gastroesophageal reflux disease. Covers its main symptom of heartburn, caused by stomach acid and juices flowing from the stomach back into the esophagus. Covers treatment with medicines and surgery. Offers tips on lifestyle changes to help manage GERD.
Reflux means that stomach acid and juices move back up into your esophagus, the tube that leads from the throat to the stomach. This can cause heartburn, regurgitation, ulcers, and pain and inflammation in your esophagus (esophagitis). When you have heartburn or regurgitation that bothers you often, it's called...
In GERD, the valve at the top of the stomach (where the stomach and the esophagus connect) does not close tightly enough. This allows the contents of the stomach to move up into the esophagus. GERD usually causes a feeling of burning, warmth, heat, or pain that often starts in the upper part of your belly, just below...
Put a freeze on frequent heartburn. Find out if GERD may be causing that uncomfortable burning sensation, then care for the symptoms. According to research or other evidence, the following self-care steps may be helpful. Try a little licorice Support mucous-membrane healing by chewing 250 to 500 mg of...
Gastroesophageal reflux is a backflow (reflux or regurgitation) of food and stomach acid into the esophagus, which is the tube that connects the throat to the stomach. When reflux irritates the lining of the esophagus and causes burning pain, difficulty eating, weight loss, or other problems, it is called...
What is gastroesophageal reflux in babies and children? Gastroesophageal reflux is a backflow (reflux or regurgitation) of food and stomach acid into the esophagus. This is the tube that connects the throat to the stomach. When reflux irritates the lining of the esophagus and causes burning pain, difficulty eating...
Gastrointestinal complications such as constipation, fecal impaction, bowel obstruction, diarrhea, and radiation enteritis are common problems for patients with cancer. The growth and spread of cancer, as well as its treatment, contribute to these conditions. This summary reviews the definitions, causes, assessment, and...
Constipation is the slow movement of stool (poop) through the large intestine. The longer it takes for the stool to move through the large intestine, the more it loses fluid and the drier and harder it becomes. If you are constipated, you may be unable to have a bowel movement, need to push harder to have a bowel...
Epidemiology. The age-adjusted incidence of neuroendocrine (carcinoid) tumors worldwide is approximately 2 per 100,000 people.[ 1, 2] The average age at diagnosis is 61.4 years.[ 3] Neuroendocrine tumors (also called NETs) represent about 0.5% of all newly diagnosed malignancies.[ 2, 3] Anatomy. Neuroendocrine tumors...
A gastrointestinal neuroendocrine tumor is cancer that forms in the lining of the gastrointestinal tract. . The gastrointestinal (GI) tract is part of the body's digestive system, a series of hollow, muscular organs joined in a long, twisting tube from the mouth to the anus. The digestive tract processes nutrients...
Gastrointestinal stromal tumor is a disease in which abnormal cells form in the tissues of the gastrointestinal tract. The gastrointestinal (GI) tract is part of the body's digestive system. It helps to digest food and takes nutrients (vitamins, minerals, carbohydrates, fats, proteins, and water) from food so they...
Incidence. GISTs comprise less than 1% of all gastrointestinal (GI) tumors but are the most common mesenchymal tumors of the GI tract.[ 1, 2, 3] There are estimated to be over 6,000 new GIST cases per year in the United States, with an age-adjusted yearly incidence of 6.78 per million from 2001 to 2011. GISTs can affect...
What is gastroparesis? After a meal, the stomach normally empties in 1½ to 2 hours. When you have gastroparesis, your stomach takes a lot longer to empty. The delay results in bothersome symptoms that may become more severe over time. Bezoar is a fairly rare condition related to gastroparesis. In this condition, food...
Gastroparesis is a disorder in which the stomach takes too long to empty after eating. The delay is caused by damage to the stomach nerves or muscles and results in bloating, heartburn, and belly pain. Diabetes is one of the most common causes of gastroparesis. Other causes include some disorders of the nervous system...
Germline loss-of-function variants in the master hematopoietic transcription factor, GATA2, can cause cellular deficiencies that have a high propensity to develop into myeloid malignancies. Initial reports identified GATA2 deficiency in cohorts of patients with the following conditions: . Familial myelodysplastic...
Provides a summary of interactions with vitamins, herbs, and food
Gatifloxacin and prednisolone ophthalmic (for the eyes) is a combination antibiotic and steroid medicine that is used to treat eye inflammation caused by conditions such as uveitis, eye injury, radiation, chemical burns, or certain other conditions. This medicine is used when there is a risk of bacterial infection in or...
Provides a summary of interactions with vitamins, herbs, and food
Gatifloxacin is a fluoroquinolone antibiotic that fights bacteria. Gatifloxacin ophthalmic (for the eyes) is used to treat eye infections caused by bacteria. Gatifloxacin ophthalmic may also be used for purposes not listed in this medication guide.
