Symptoms of cancer of unknown primary (CUP)
Symptoms of cancer of unknown primary (CUP) will vary depending on where the secondary cancer (or cancers) are.
Symptoms in different areas of the body
You may also have some general symptoms including:
unexplained weight loss
loss of appetite
feeling extremely tired all the time
looking pale, feeling tired and breathless due to a lack of red blood cells (anaemia).
All the symptoms mentioned here can be caused by conditions other than cancer, but it’s important to see your doctor and get them checked.