The causes of cancer can vary largely from obesity to radiation exposure. It is better to have knowledge of the causes and symptoms related to cancer. Depending on whatever area of the body is affected, cancer can create different signs and symptoms.

General indications and symptoms that are connected to cancer but not exclusive to it include:

• Fatigue
• A thick spot or lump beneath the skin’s surface
• Changes in weight, including inadvertent gain or loss
• Chronic, inexplicable pain in the muscles or joints
• Chronic coughing or breathing difficulties
• Alterations in bowel or bladder routines
• Persistent heartburn or pain following a meal
• Inexplicable bruises or bleeding