世界卫生组织提出的恶性肿瘤8个早期警号·可触及的硬结或硬变，如：乳腺，皮肤及舌部发现的硬结·疣（赘瘤）或黑痣发生明显的变化·持续性消化不正常·持续性嘶哑，干咳，吞咽困难·月经不正常的大出血，经期以外的出血·鼻，耳，膀胱或肠道不明原因的出血·经久不愈的伤口， Eight early warning signs of palpable malignancy or palpable induration or malignancy of malignancies developed by the World Health Organization, such as: mammary glands, indurations found on the skin and tongue, or nevus, or obvious changes in black moles, persistent digestive disorders ·Continuous deaf-mute, dry cough, dysphagia, severe menstrual bleeding, menstrual hemorrhage, nose, ear, bladder or bowel unexplained bleeding, prolonged wound,