While many causes of pain are harmless, persistent or unexplained pain that doesn’t go away might indicate cancer. Pain can result in a tumor pressing on bones, nerves, or other organs. It is often associated with cancers like bone cancer or ovarian cancer. If you experience severe pain lasting more than a few weeks, you must consult a doctor for further evaluation.
Changes in the skin, such as new moles, growths, or changes in existing moles, should be monitored closely. Skin cancers, that includes melanoma, basal cell carcinoma, and squamous cell carcinoma, can cause these changes. Additionally, symptoms like yellowing, darkening, or redness of the skin, as well as itching or excessive hair growth, can sometimes be signs of internal cancers like liver or ovarian cancer.