Early symptoms of nasopharyngeal cancer: nasal congestion, blood in the snot; tinnitus, feeling of occlusion in the ears, hearing loss; enlarged lymph nodes in the neck, neck lumps; migraine, numbness in the face, double vision, hoarseness, choking on water, etc.; cough, blood in the sputum, pain in the liver area, bone pain in the whole body, etc. Early symptoms of oral cancer Generally speaking, people who habitually use tobacco, alcohol and betel nut should go to the hospital for examination if they have the following symptoms, including: mouth ulcers for more than two weeks that do not heal; lumps inside the mouth or lumps in the neck; white or red spots on the oral mucosa; unexplained bleeding in any part of the mouth, accompanied by pain or numbness; difficulty or pain in chewing or swallowing; swollen gums Swelling of the gums, resulting in poorly fixed dentures or discomfort; tightly closed teeth, unable to open the mouth. If symptoms such as white spots, erythema, flat mossiness, warty growths, submucosal fibrosis have appeared in the mouth, or if the mouth ulcer has not healed for more than two weeks or even three weeks, you must go to the hospital for examination! 3. Early symptoms of esophageal cancer Tight throat and throat discomfort; easy to choke when swallowing; painful feeling behind the sternum when eating, even when not eating, foreign body or burning feeling behind the sternum, often stuffy chest, and love to vomit mucus. Especially for people over 35 years old, they should go to hospital immediately for a diagnostic examination. 4. Early symptoms of lung cancer Choking cough and bloody sputum are the most common initial symptoms of lung cancer, starting with irritating dry cough and then coughing up white foamy sputum or sputum with blood in it. Smokers’ cough increases when they smoke the first cigarette in the morning, and people above middle-aged age should be alert to the possibility of lung cancer if they suddenly develop choking cough or dry cough for a long time, and go to hospital for diagnosis in time. 5. Early symptoms of breast cancer This kind of cancer is not only for women, but also for men. One-third of women with breast lumps are malignant tumors, the skin of the breast looks like “orange peel” or “dimple sign”, the local temperature increases, the breast is asymmetrical, the nipple is sunken, skewed or fixed, so women should be alert to breast cancer. Therefore, an early and effective checkup for women is to check for lumps after each menstrual period and to pay attention to whether there is any nipple overflow. In men, breast cancer is characterized by swollen, thickened, sunken breasts or skin irritation; nipple invagination or scaly appearance; discharge from nipples; breast discomfort or pressure pain. When the above symptoms appear, the possibility of breast cancer must be considered for early diagnosis and timely treatment. Early symptoms of liver cancer Early detection of liver cancer is very important because liver cancer is insidious, fast developing, difficult to treat and has a bad prognosis, so many oncologists call liver cancer “the king of cancer”. Early symptoms of liver cancer are as follows: persistent pain in the liver area, dull pain; decreased appetite, easy fatigue and lethargy; stuffy abdomen, diarrhea, weight loss and increasing weight loss; yellow skin and eyes, yellow urine, which gradually worsens with time, these early symptoms are similar to chronic hepatitis and cirrhosis, so it is easy to be confused. Early symptoms of gastric cancer Unexplained upper abdominal fullness and discomfort, burning and hidden pain, which are ineffective after taking antipyretic drugs, especially when these symptoms last for more than 3 weeks, you should be alert to the possibility of gastric cancer, as data show that the early detection rate of gastric cancer is only 10%, because its early symptoms are very similar to chronic gastritis and peptic ulcer, so it is very easy to be misdiagnosed. Early symptoms of bowel cancer Early symptom is blood in stool, that is, blood mixed with stool or whole blood, another symptom is change of stool habit, such as stool time, number of bowel movements, stool shape, feeling during defecation, etc.; stool of colon cancer patients shows snot-like, bloody mucus stool, alternating diarrhea and constipation, while symptoms of non-colon cancer patients are diarrhea, abdominal pain, and stool with pus and blood in a diluted form When cancer occurs in the descending colon, the symptoms are intestinal obstruction, such as abdominal pain, abdominal distension and constipation. 9. Early symptoms of cervical cancer Increased leucorrhea, yellow color and irregular vaginal bleeding are early symptoms of cervical cancer. When middle-aged or post-menopausal women have small amount of vaginal bleeding when relieving stool by force or after sexual intercourse, they should be alerted to the possibility of cervical cancer. Early symptoms of ovarian cancer The ovaries are located on both sides of the uterus and deep in the pelvic cavity, so once obvious symptoms appear, it indicates that the cancer has already metastasized and spread, and the prognosis is very poor.