Assertion: endoscope | /r/AtLocation | wide variety of styles
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Source sentences:
text: Depending on how they need to be used, endoscopes are produced in a wide variety of styles: the majority are thin and hollow, featuring lights and/or cameras; others are more stiff, while some are flexible; some newer models can even be swallowed by the patient, and transmit images to the physician through a wireless connection (before making its way out of the body).