In the early stage of cancer, the symptoms are usually not very obvious, and by the time the patient finds it, it is already too late. The following 10 symptoms are the possible manifestations of cancer. Of course, these symptoms are not the official diagnostic criteria of cancer, and it cannot be said that having these symptoms is equal to having cancer, so don’t panic blindly. Health headlines just want to remind you to pay attention to your health, don’t ignore physical abnormalities, and go to the hospital for examination in time to clarify the causes of discomfort. 1. Hard nodes or lumps Certain cancers will have lumps in the corresponding parts. If you feel a “hard lump” in your neck, underarm, breast or other parts of your body, with a fixed location, hard texture and unclear edges when you touch it, and it does not fade away, you should pay attention to it. Mole changes or white spots appear Benign moles are generally uniform in color and have clear edges. If the warts or moles on the body, suddenly deepen in color, increase in size, itching, ulceration and bleeding, this may be an early manifestation of melanoma. White spots in the mouth should also be taken seriously. Especially for long-term smokers, white spots in the mouth or on the dental bed that cannot be erased and persist for a long time, it is recommended to go to the hospital promptly to clarify the cause. It is also important to be alert when ulcers and erosions in the mouth in a fixed location do not heal for a long time, or even bleeding, swollen lymph nodes in the neck, or affect pronunciation. 3. indigestion, persistent ulcers Symptoms of indigestion may occur when there are problems in the gastrointestinal tract such as acute and chronic inflammation, ulcers, bleeding, polyps, stones, tumors, etc. Gastric ulcers are usually painful 1 to 2 hours after a meal, and then gradually reduce with great regularity. However, gastric ulcers should also be treated properly, and once there is persistent stomach pain, you should be alert to cancer. Persistent indigestion and ulcers, it is better to check earlier and review regularly to exclude the possibility of malignant tumor in the digestive tract in time. 4. Difficulty in swallowing food A common early symptom of esophageal cancer is that besides feeling difficulty in swallowing food and a feeling of rubbing the esophagus, there may be a burning pain in the lower middle of the chest. As the disease progresses, this sensation will become more and more severe, and in the advanced stage, hoarseness, cough and difficulty in breathing will also appear. Hoarseness, dry cough and blood in sputum are common symptoms of lung cancer, especially for people over 40 years old who are habitual smokers, the risk of lung cancer increases exponentially! Many patients with lung cancer are found to have dry cough and blood in sputum. 6. Tinnitus, abnormal hearing, nasal congestion Nasopharyngeal cancer often involves the nerves in the head and face, bringing about the above symptoms. If there is also blood in the sputum or a lump in the neck is felt, it is more important to be alert. In Guangdong, Guangxi, Jiangxi and Hunan, where the incidence of nasopharyngeal cancer is high, it is especially important to pay attention to these symptoms if there are family members who have had nasopharyngeal cancer in the family. 7. change in urine and stool traits Early bladder cancer and prostate cancer may manifest as sudden increase or decrease in urination or painless hematuria, while colon cancer changes may manifest as blood in stool or frequent diarrhea. All these symptoms remind you that it is time to get checked. If there is sudden weight loss or persistent fever, don’t hesitate to go to the hospital to clarify the cause.