Respiratory: occasional coughing up of blood-like sputum (lung, bronchial cancer). Digestive system: change of pain habit in ulcer disease (gastric cancer). Progressive dysphagia (esophageal cancer) Painless progressive aggravation of skin jaundice (periampullary carcinoma) Painless bloody stools with anemia (colorectal and rectal cancers) Urinary system: painless hematuria (renal, ureteral, and bladder cancers) Locomotor system: painless fast-growing masses on the surface of the body (sarcoma) Painful deformity of joints, or unexplained fracture (bone cancer) Neurological department: unexplained syncope, gradual various sensory and motor disorders ( Hematologic: unexplained bleeding, subcutaneous bruising; unexplained anemia in the elderly (malignant blood disease, colon tumor) Immune System: frequent infections of various systems without cause (AIDS) Obstetrics and Gynecology: hard lumps in the breasts found suddenly before or after menopause (Breast Cancer) Reappearance of menstrual bleeding in the vagina after menopause (Reproductive Malignant Tumors)