It can be gastrointestinal issue since you're experiencing chest pain, stomach pain, and a loss of appetite. Even stress and anxiety causes chest pain. Seek medical attention as soon as possible to properly diagnose and treat your symptoms. Check with a gastroentrologist first.

Weight loss is influenced by genetics, hormones, and lifestyle habits. In your case, chronic constipation could be contributing to your difficulty in losing weight. Consult with a bariatic surgeon or gastroenterologist, to address your constipation and for weight loss.

Based on the ultrasound results, it seems that you have gallstones in your gallbladder, which  is causing abdominal and back pain, nausea, and headache. And  endoscopy is not required to diagnose or treat gallstones. But in some cases, an endoscopic ultrasound is used to get a better view of the gallbladder and surrounding structures. I recommend consulting with a gastroenterologist or a surgeon for further evaluation and treatment options.

Check with a gastroenterologist for your issue. It may be caused by something you ate.

Curing colon cancer at stage 4 is difficult but it is not impossible. The primary treatment for stage 4 colon cancer is chemotherapy, which aims to shrink the cancer or in some cases radiation therapy is used. Consult an oncologist who can recommend a proper treatment plan for you.

Anal itching is happening due to the hemorrhoids itself. Maintaining good hygiene, using over-the-counter creams or ointments, and avoiding straining during bowel movements can help alleviate symptoms. Still it's always best to consult with a doctor for proper diagnosis and treatment.

Consult a pulmonologist to check your symptoms, or a gastroenterologist since you were facing antral gastritis. Your chest pain could be something related to antral gastritis. 

Your symptoms of gastric discomfort, loose motions, stomachache, and feeling of fullness in your upper stomach could be caused by gastrointestinal conditions such as GERD, IBS, food intolerance or allergy, Consult a gastroenterologist for treatment.

To treat piles you can improve your diet.. try increasing fiber intake, drink plenty of water, exercise regularly, and practice good hygiene. If yopur symptoms persist or become severe, see a gastroenterologist for a proper diagnosis and treatment plan.

Pancreas problems and fatty liver are two separate medical conditions that can occur independently or sometimes in association with each other. In some cases, more advanced treatment may be necessary. For example, advanced fatty liver disease may lead to cirrhosis, which may require a liver transplant. For pancreas problems, surgery may be necessary in some cases.

Consult with a gastroenterologist or a hepatologist to find out what is the problem exactly.

Hard stools are a common symptom of constipation. Constipation causes if your diet intake is not proper, eat high fibre foods and plenty of water. If you are experiencing persistent constipation or difficult to pass stools, its recommended to consult with a gastroenterologist for proper diagnosis and treatment.

This can be symptoms of anal fissure, hemorrhoids, inflammatory bowel disease, or infections.. like proctitis. Consult a gastroenterologist, who can examine you, and take a detailed medical history, to perform necessary tests to diagnose the reason.

It's possible that the wound from your radiotherapy treatment has not fully healed or that there may be other factors contributing to your symptoms. You should communicate openly with your doctor about your symptoms, concerns, and treatment history, as they will have the best understanding of your problems. 

To help with your frequent indigestion/constipation its important to consult with a gastroenterologist for a proper evaluation and personalized advice. Apart from the treatment you can improve your diet, have more fibre rich foods, stay hydrated, do exercises as it stimulates your bowel movements.

If you have lost immunity to hepatitis B, it means that your body is no longer protected against the hepatitis B virus. Immunity to HBV is typically acquired through vaccination or prior infection.