11. Sores That Do Not Heal
A sore that lingers for weeks without healing, particularly in the mouth, lips, or genitals, might indicate oral or skin cancer. These sores may bleed easily and resist standard treatments.
12. Unusual Lymph Node Swelling
Swollen lymph nodes, especially in the neck, underarms, or groin, may signal cancers like lymphoma or leukemia. If the swelling is painless and persists for weeks, medical evaluation is crucial.
13. Frequent Infections or Fevers
A compromised immune system can result in recurring infections or unexplained fevers. These are especially common in blood cancers such as leukemia. Watch for symptoms like night sweats, chills, or prolonged low-grade fevers.
