There are so many cancers.But the main symptoms of some cancers are:nausea,vomiting(especially in the morning),fatigue,dizziness,infection in some organs,pain in the part of the body where the tumour is,etc...
Symtoms are rare or may not occur at all. But few of that include fever for no reason, sweating and abnormal bumps .
There are three common signs and symptoms in cancer patients are the three A's; anemia, asthenia and anorexia
Symptoms vary widely or they may not occur at all. Some patients have abnormal bumps, unexplained fevers, night sweats or unintentional weight loss.
Change in bowel or bladder habits. A sore that does not heal. Unusual bleeding or discharge. Thickening or lump in the breast or elsewhere. Indigestion or difficulty in swallowing. Obvious change in a wart or mole. Nagging cough or hoarseness. Here are some early symptoms of cancer.
Depends on the location of the cancer. E.g brain cancer is characterized by increased ICP, Confusion, bradycardia, restless sometimes seizures, some patients they end up in COMA