Lumps 1. face, neck, body surface, abdomen, etc. Bai Huiming, Department of Radiotherapy, Second People’s Hospital of Yancheng City 2. lymph nodes in the neck, armpits, groin, etc. after anti-inflammatory and symptomatic treatment are ineffective 3. lumps, nipple invagination, orange peel-like changes in breast of women over 30 years old 2. changes in moles Suddenly accelerated growth, deepened pigmentation, itching and pain, spotted nodules 3. stomach discomfort Age over 40 years old, with long-term history of stomach disease or family history of tumor History of gastric disease or family history of tumor, epigastric discomfort, pain, loss of appetite, vomiting, black stool, epigastric masses IV. Swallowing discomfort 1. 3.Sudden increase of leucorrhea, mixed with oozing blood and fishy smell of secretion 4.Suddenly leucorrhea becomes bloody or flesh-water like when there is usually cervical erosion 6.Nosebleed, headache, neck lump This is the main symptom of nasopharyngeal carcinoma 1.Return of blood mainly 2.Unexplained nasal congestion, tinnitus or hearing loss 3.Progressive enlargement of lymph nodes in the neck, anti-inflammatory is ineffective 4.Fixed, continuous Cough, bloody sputum, chest pain 1. 35 years old or above, persistent and frequent cough with unknown cause 2. untreated or aggravated cold or bronchitis 3. no chills and fever, sudden progressive shortness of breath, chest tightness, pleural effusion 4. hemoptysis and fixed position of chest with 5. unexplained joint and muscle stubborn pain 8. Change in stool habit, increase in frequency, accompanied by mucus 2. Mucus and blood in stool, feeling of urgency, ineffective antibacterial and symptomatic treatment 3. Persistent vague pain in abdomen, alternating diarrhea and constipation 4. Change in stool shape, thinning, or fixed grooves 5. Unexplained anemia, emaciation, weakness 9. Untreated ulcers in mouth, skin, etc. 10. Unexplained emaciation