14 Cancer Symptoms You Are Most Likely To Ignore

7. Breathlessness

If you’ve been feeling particularly breathless without much physical activity, you might want to consult the doctor. This is because the feeling of breathlessness is often associated with breast cancer tumors, ovarian or liver cancer. Other types of cancer may also cause breathlessness if they are situated close to your airway, or if they have spread to the heart or lungs.