The sponge was by far the easiest and required no sedation. You just sit on a chair and are given a capsule to swallow with a glass of water that’s not unlike a vitamin pill or paracetamol. It has a string attached. Just think like you’re taking a pill! After about 10 mins of relaxing on your chair it is gently taken up by the nurse and that’s all there is to it. It collects millions of cells which are sent off for checking. If anything is picked up, then you’d have a regular endoscopy so the doctor can have a look.
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