As an expert in the field of medical diagnostics, I can provide you with a detailed overview of the methods used to test for stomach cancer. Stomach cancer, also known as gastric cancer, is a serious condition that requires a multi-faceted approach to diagnosis. Here's how it's typically done: 1. Physical Examination: The doctor will start with a general physical examination to assess the patient's overall health and to check for any signs that might indicate stomach cancer. 2. Biopsy: If an abnormality is found during an endoscopy, a small tissue sample is taken. This is then examined under a microscope to check for cancer cells. 3. Endoscopy: This involves inserting a thin, flexible tube with a light and camera into the stomach to view its lining. It's a common method for diagnosing stomach issues. 4. Endoscopic Ultrasound (EUS): An EUS uses sound waves to create images of the stomach's walls and nearby organs. It can help determine the depth of cancerous tissue and whether the cancer has spread. 5. X-ray: An X-ray can sometimes reveal abnormalities in the stomach's lining. 6. Barium Swallow: In this procedure, the patient drinks a liquid that contains barium, which is then seen on an X-ray, highlighting the stomach's lining. 7. Computed Tomography (CT or CAT) Scan: This imaging technique uses X-rays and computer technology to create detailed images of the stomach and can help determine if cancer has spread. 8. Magnetic Resonance Imaging (MRI): MRI uses a magnetic field and radio waves to produce detailed images of the stomach and can be useful in some cases. 9. **Positron Emission Tomography (PET) or PET-CT Scan**: PET scans can show how active a cancer is and whether it has spread to other parts of the body. Each of these tests plays a role in diagnosing stomach cancer, and they may be used individually or in combination depending on the patient's symptoms and medical history. read more >>

In addition to a physical examination, the following tests may be used to diagnose stomach cancer:Biopsy. ... Endoscopy. ... Endoscopic ultrasound. ... X-ray. ... Barium swallow. ... Computed tomography (CT or CAT) scan. ... Magnetic resonance imaging (MRI). ... Positron emission tomography (PET) or PET-CT scan.More items...read more >>