Gallbladder Cancer is a malignant (cancerous) growth that arises in the gallbladder. The gallbladder is a small organ under the liver that stores and concentrates bile. Gallbladder Cancer is commonly discussed in hepatobiliary surgery, gastroenterology, oncology, and radiology. It is often identified during evaluation of biliary symptoms or incidentally after gallbladder removal.

Pancreatic Adenocarcinoma is a malignant (cancerous) tumor that arises from gland-forming cells in the pancreas. It most often refers to pancreatic ductal adenocarcinoma, which develops from cells lining pancreatic ducts. In clinical care, it is commonly discussed in the setting of unexplained jaundice, weight loss, abdominal pain, or a pancreatic mass on imaging. It is a central diagnosis in gastroenterology, hepatobiliary medicine, oncology, and gastrointestinal (GI) surgery.

Cholangiocarcinoma is a malignant (cancerous) tumor that arises from the bile duct epithelium (the lining cells of bile ducts). It is discussed in gastroenterology, hepatology, and GI surgery because bile ducts are part of the hepatobiliary system (liver and bile drainage). In clinical practice, the term is used when evaluating bile duct strictures, jaundice, or liver masses that may represent bile duct cancer. It is commonly classified by where it starts: inside the liver, at the liver hilum, or in the extrahepatic (outside the liver) bile duct.

Hepatocellular Carcinoma is the most common primary cancer that starts in the liver. It arises from hepatocytes, the main liver cells responsible for metabolism and bile production. It is most often discussed in the setting of chronic liver disease, especially cirrhosis. Clinicians use the term in screening, diagnosis, staging, and treatment planning in hepatology and oncology.

Esophageal Cancer is a malignant tumor that arises in the esophagus, the tube that carries food from the throat to the stomach. It is most often discussed in gastroenterology, oncology, pathology, and GI surgery. Clinically, it refers to both the diagnosis and the disease process that can narrow the swallowing passage. It is commonly evaluated with endoscopy, imaging, and biopsy.

Gastric Carcinoma is a malignant tumor that arises from the lining of the stomach. In everyday terms, it is “stomach cancer” that starts in the stomach’s inner mucosa. It is most commonly used as a diagnosis in pathology reports, endoscopy findings, and oncology staging. Clinicians use the term to guide evaluation, staging, and treatment planning.

Early Satiety means feeling full sooner than expected when eating a meal. It is a symptom description, not a diagnosis. Clinicians commonly use it in gastroenterology to evaluate upper gastrointestinal (GI) disorders. It is also used to describe appetite-limiting fullness that can contribute to reduced intake and weight change.

Anorexia means a decreased desire to eat or a loss of appetite. It is a symptom rather than a diagnosis by itself. Clinicians use the term across many specialties, including gastroenterology and hepatology. It is also used in psychiatry, where it may relate to eating disorders, but it is not synonymous with them.

BMI is a numeric estimate of body size based on weight and height. It stands for body mass index and is calculated as weight divided by height squared. BMI is commonly used in clinics, hospitals, and public health to classify weight status. In gastroenterology and hepatology, it often helps contextualize risk, symptoms, and outcomes.

Cachexia is a complex wasting syndrome marked by ongoing loss of skeletal muscle, often with loss of fat mass. It is commonly seen in chronic illnesses such as cancer, advanced liver disease, chronic heart failure, and chronic inflammatory disorders. In gastroenterology and hepatology, Cachexia often overlaps with poor intake, malabsorption, and inflammation. Clinicians use the term to describe a specific pattern of weight and muscle loss that is not fully explained by reduced calories alone.