Frequent spitting of mucus

Carcinoma of esophagus is a malignant tumor that mainly originates from esophageal squamous epithelium and columnar epithelium. Squamous carcinoma accounts for about 90% and adenocarcinoma accounts for about 10%. The most typical clinical manifestation of esophageal cancer is progressive dysphagia. In the early stage of esophageal cancer, the local lesions are relatively early, and the symptoms may be that the local lesions stimulate the esophagus and cause abnormal esophageal peristalsis or spasms, or due to local inflammation, tumor infiltration, esophageal mucosal erosion, and superficial ulcers. The duration is short, often recurring, light and heavy, and there may be asymptomatic intermittent periods, which can last for 1 to 2 years, or even longer. Late Symptoms: Dysphagia is a typical symptom of esophageal cancer. It is intermittent at the beginning, and the general trend is continuous and progressively worsened. Invasion and inflammation of reflux esophageal cancer reflexively cause increased secretion of esophageal and salivary glands, Patients can present with frequent spitting of mucus and can also cause choking and even aspiration pneumonia; persistent pain behind the sternum or interscapular region of the back often indicates that esophageal cancer has infiltrated outwards; other tumors invade large blood vessels, especially the chest Arteries causing fatal bleeding.

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