1.Lung Cancer Symptoms: cough, chest pain, difficulty in whistling Diagnosis: physical examination, chest X-ray, biopsy Treatment: surgery, chemotherapy, radiotherapy Risk factors: smoking, atmospheric industrial pollution 2.Liver Cancer Symptoms: fatigue, epigastric pain, jaundice Diagnosis: physical examination, hematology Treatment: surgery, radiotherapy, liver transplantation Risk factors: alcoholism, hepatitis B or C, vinyl chloride exposure 3.Gastric Cancer Symptoms: epigastric pain, acid reflux Diagnosis: Diagnosis: physical examination, X-ray, gastroscopy Treatment: surgery, chemotherapy, radiotherapy Risk factors: high salt diet, long-term gastritis/gastric ulcer 4. Esophageal Cancer Symptoms: dysphagia, heartburn Diagnosis: physical examination, X-ray, gastroscopy Treatment: surgery, radiotherapy, chemotherapy Risk factors: dietary habits, smoking, alcohol abuse, Barrett’s esophagus 5. Colorectal Cancer Symptoms: bloody stools, abdominal pain, fatigue Diagnosis: diagnostic fingerprinting, occult blood test, endoscopy Treatment: surgery, chemotherapy, radiotherapy Risk factors: high-fat diet, obesity 6. Leukemia Symptoms: fever, anemia, large lymph nodes Diagnosis: physical examination, blood test, bone puncture Treatment: chemotherapy, blood transfusion, bone marrow transplantation Risk factors: hereditary genes 7. Brain Tumor Symptoms: severe headache Diagnosis: physical examination, imaging Treatment: surgery, chemotherapy, radiotherapy Risk factors: hereditary genes 8. Breast Cancer Symptoms: lumps in the breast or axilla Diagnosis: breast or axillary mass Breast Cancer Symptoms: breast or axillary mass Diagnosis: physical examination, molybdenum X-ray, biopsy Treatment: surgery, radiotherapy, chemotherapy Risk factors: genetic predisposition, infertility or late childbearing, delayed menopause 9. Pancreatic Cancer Symptoms: weight loss, abdominal pain, loss of appetite Diagnosis: barium X-ray, cholangiography Treatment: surgery, radiotherapy, chemotherapy Risk factors: smoking, diabetes mellitus 10. Bone Tumor Symptoms: bone pain, lumps Diagnosis: X-ray, CT, radioscopy of bones Treatment: surgery, chemotherapy, radiotherapy Diagnosis: X-ray, CT, nuclear bone scan Treatment: surgery, chemotherapy, radiotherapy Risk factors: genetic predisposition