The following symptoms are warning signs that can be indicative of cancer, varying depending on the type of cancer:

• Change(s) in bowel or bladder functions
• Skin sore that does not heal
• Indigestion
• Difficulty swallowing
• Chronic, persistent cough or hoarse voice changes
• Presence of a lump or thickening in breast or other body part
• Unusual / unexplained bleeding or discharge
• Wart or mole change
• General skin changes with color or hair growth
• Unexplained weight loss
• Unexplained weight gain
• Pain (although not usually an early symptom)
• Fatigue (normally seen more in advanced stages)
• Fever (normally seen more in advanced stages)