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Cancer of the pharynx. Endoscope view of a cancerous growth (centre left) in the nasopharynx of a patient. Cancer cells divide rapidly in a chaotic manner. They often clump together to form a tumour (as seen here), which may invade and destroy surrounding tissues. The nasopharynx is part of the pharynx, a mucous membrane-lined muscular tube that lies behind the nose and mouth, connecting them to the oesophagus (gullet). The nasopharynx is the part of the pharynx that lies above the soft palate.
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