What are the symptoms of cancer

Cancer manifests as a localized mass, which can be accompanied by painful treatment, accompanied by ulceration and bleeding on the surface, intestinal tumors can show obstruction; it also manifests as a localized proliferative mass, which can show pain symptoms after eroding nerves. Cancer tissue grows faster, ulceration and bleeding occur on the surface, intestinal tumors cause intestinal stenosis, causing symptoms of intestinal obstruction. Therefore, the key to cancer treatment lies in early diagnosis. After early surgical removal of cancer, survival time can be appropriately prolonged.