Esophageal Carcinoma
Esophageal cancer is cancer arising from the esophagus—the food pipe that runs between the throat and the stomach. Symptoms often include difficulty in swallowing and weight loss. Other symptoms may include pain when swallowing, a hoarse voice, enlarged lymph nodes ("glands") around the collarbone, a dry cough, and possibly coughing up or vomiting blood. The two main sub-types of the disease are esophageal squamous-cell carcinoma (often abbreviated to ESCC), which is more common in the developing world, and esophageal adenocarcinoma (EAC), which is more common in the developed world. A number of less common types also occur. Squamous-cell carcinoma arises from the epithelial cells that line the esophagus. Adenocarcinoma arises from glandular cells present in the lower third of the esophagus, often where they have already transformed to intestinal cell type (a condition known as Barrett's esophagus). Causes of the squamous-cell type include tobacco, alcohol, very hot drin ...
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Esophagogastroduodenoscopy
Esophagogastroduodenoscopy (EGD) or oesophagogastroduodenoscopy (OGD), also called by various other names, is a diagnostic endoscopic procedure that visualizes the upper part of the gastrointestinal tract down to the duodenum. It is considered a minimally invasive procedure since it does not require an incision into one of the major body cavities and does not require any significant recovery after the procedure (unless sedation or anesthesia has been used). However, a sore throat is common. Alternative names The words ''esophagogastroduodenoscopy'' (EGD; American English) and ''oesophagogastroduodenoscopy'' (OGD; British English; see spelling differences) are both pronounced . It is also called ''panendoscopy'' (PES) and ''upper GI endoscopy''. It is also often called just ''upper endoscopy'', ''upper GI'', or even just ''endoscopy''; because EGD is the most commonly performed type of endoscopy, the ambiguous term ''endoscopy'' is sometimes informally used to refer to EGD b ...
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