Weight lost refers to the reduction in body weight that is typically achieved through lifestyle changes, medications, or bariatric surgeries like the RNY or gastric band. Weight loss, particularly significant or rapid weight loss, can have dramatic positive effects on a person's overall health, reducing the risk of heart disease, diabetes, and other obesity-related conditions. Successful weight loss usually requires long-term changes to diet, exercise, and behavior.

Abdominal surgery involves any operation performed in the abdominal region, such as appendectomies, hernia repairs, or cancer removals. Minimally invasive techniques, like laparoscopy, have become common, reducing recovery time and post-operative complications.

A bowel doctor, another term for a gastroenterologist, focuses on the intestines and related organs. Patients may seek care from a bowel doctor for conditions like Crohn's disease, ulcerative colitis, diverticulitis, or bowel cancer. They also manage complications that arise in the bowel following surgeries like the Roux-en-Y gastric bypass or gastric sleeve.

Gastric sleeve results are typically impressive, with patients losing 50-60% of their excess body weight within the first year. The surgery also leads to improvements in obesity-related conditions like diabetes, hypertension, and sleep apnea. Long-term success depends on the patient’s ability to maintain a healthy lifestyle post-surgery.

Endoscopic Sleeve Gastroplasty (ESG) is a non-surgical weight-loss procedure where a gastroenterologist uses an endoscope to stitch the stomach into a smaller size, reducing its capacity. Unlike traditional bariatric surgery, ESG is performed through the mouth and doesn’t involve cutting or removing any part of the stomach. Recovery is quicker, and the procedure is reversible, but the weight loss achieved is typically less significant than with RNY or gastric sleeve surgery.

The cost of a gastric band varies by country and healthcare system. In the UK, it can cost between £5,000 to £8,000 privately, while in the U.S., it ranges from $9,000 to $15,000. Some insurance plans may cover the procedure if it's deemed medically necessary for obesity treatment.

Chronic gastritis is a long-lasting inflammation of the stomach lining that can lead to complications like ulcers or an increased risk of stomach cancer. Common causes include H. pylori infection or autoimmune disorders. Patients may need ongoing treatment with medications to reduce stomach acid and eradicate infections.

A GI malignancy refers to any cancerous growth within the gastrointestinal tract. These cancers are often aggressive and can spread quickly if not detected early. Colon cancer, stomach cancer, and pancreatic cancer are common forms of GI malignancy. Gastroenterologists play a vital role in screening for these cancers through procedures like colonoscopies and endoscopies.

Bariatric relates to treatments aimed at weight reduction, especially in individuals with severe obesity. This includes medical, surgical, and behavioral interventions. Bariatric surgery, such as gastric sleeve or bypass, is often a last resort for those who have struggled with losing weight through traditional methods.

The gastric balloon is a non-surgical weight-loss option where a balloon is inserted into the stomach and inflated to reduce food intake. In the UK, this procedure typically costs between £1,450 and £1,450, depending on the clinic and the type of balloon used.