Nurses should be vigilant in observing for symptoms that may indicate cancer. These include:
1. Unexplained Weight Loss: Losing weight without trying can be a sign of several types of cancer. 2. Persistent Pain: Pain that does not go away and has no clear cause. 3. Changes in Skin: New moles or changes in existing moles. 4. Lumps: Any new lumps or masses in the body. 5. Chronic Fatigue: Persistent tiredness that does not improve with rest.