Country music legend Dolly Parton’s reported death at 80 has renewed attention on the importance of recognizing possible cancer warning signs. While the type of cancer she was reportedly battling has not been publicly revealed, doctors say some symptoms can be subtle and easy to dismiss. Persistent exhaustion, unexplained weight loss and a cough that does not go away can have many causes, but they are worth discussing with a medical professional when they continue for several weeks or feel unusual.

Dr. Jiri Kubes, a radiation oncologist and medical director at Proton Therapy Center, has emphasized that a single symptom does not automatically indicate cancer. Fatigue, for example, can be linked to conditions such as anemia, thyroid problems, infections or poor sleep. Likewise, a lingering cough may result from respiratory infections or other common conditions. However, doctors recommend getting symptoms evaluated when they persist, become worse or noticeably change from what is normal for you.

Unexpected weight loss can also deserve medical attention, particularly when someone has not intentionally changed their diet or activity level. Doctors stress that these warning signs often have explanations unrelated to cancer, so there is no reason to assume the worst. The important message is not to panic over every cough, ache or tired day, but to pay attention to changes that persist or keep returning.

Seeking medical advice early can help identify the underlying cause and, when a serious condition is involved, may provide an opportunity for earlier diagnosis and treatment.