Perhaps you are concerned about vague symptoms of bowel cancer or an enlarged prostate.

They started clinics for patients with vague symptoms.

Most cases of lung and pancreatic cancer, for instance, have vague symptoms and low survival because they are picked up so late.

Their chances of survival are hampered because vague symptoms such as difficulty eating make the disease hard to spot in its early stages.

In those with vague symptoms, diagnosis can be difficult because bacteria may be present without there being an infection.