9. Changes in Appetite or Taste
   What to Look for
   A sudden loss of appetite or changes in taste—such as an aversion to meat or a metallic taste in the mouth—can be warning signs.

Why It Matters
These changes can be linked to cancer of the digestive system, including stomach or esophageal cancer, and can be indicative of other systemic diseases as well.

10. Difficulty Swallowing
    What to Look for
    If you find it increasingly difficult to swallow or experience pain while swallowing, don’t ignore it. This symptom can be indicative of various conditions, including cancer.