早期发现癌症,对于病人的及时治疗和预后有着极为重要的意义。近些年来我国肿瘤专家研究发现,不少癌症的早期可表现为皮肤或粘膜病变,是值得警惕的癌症“信号”。 Early detection of cancer has extremely important significance for the timely treatment and prognosis of patients. In recent years, oncology experts in China have found that many cancers can be manifested as skin or mucous membrane lesions at an early stage, and they are alarming signs of cancer.