A 19-year-old trainee nurse is battling inoperable brain cancer after two GPs dismissed a tumour behind her eye - as STRESS.<br /><br />Charlotte Taylor saw the doctors after complaining of headaches and struggling to read her text messages but on each ocassion she was prescribed beta blockers.<br /><br />When her symptoms deteriorated she paid £25 for an eye test at Boots opticians and was diagnosed with papilledema - swelling on her optic nerve.