Significant and unexplained weight loss without changes in diet or exercise could be a sign of various types of cancer.
Ongoing fatigue that doesn't improve with rest may be a symptom of several types of cancer.
Any unusual changes in the color, size, shape, or texture of moles, freckles, or skin spots should be examined by a dermatologist.
Long-lasting pain that doesn't improve with treatment, especially in the bones, may be indicative of certain cancers.
Difficulty swallowing, persistent indigestion, or frequent heartburn could be early signs of esophageal or stomach cancer.
Persistent changes in bowel movements (e.g., diarrhea, constipation, blood in stool) could be symptoms of colorectal cancer.
A chronic cough, hoarseness, or coughing up blood could be early signs of lung or throat cancer.
Recurrent infections or illnesses may indicate a weakened immune system, which could be related to certain cancers.
Any unusual changes in the breast, including lumps, dimpling, or changes in nipple appearance or discharge, should be evaluated by a healthcare professional.
Unexplained bleeding or bruising, especially if it persists or is frequent, should be discussed with a doctor.