Apparently, they look the same on x-rays:
A 67-year-old man who was warned he might have lung cancer had actually had a cashew nut stuck in his lung for a year and a half.Doctors at the Queen Elizabeth Hospital, King’s Lynn, Norfolk, were baffled by Derek Kirchen’s collapses and bouts of pneumonia.
They warned him he might have lung cancer after taking x-rays.
A consultant found the nut stuck in his lung, while carrying out an investigation with a miniature camera.
