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Flow chart of the North East London Covid-19 protocol for diagnostics in two-week wait head and neck cancer patients. Haem-onc = haematology-oncology; v2 = version 2; CT = computed tomography; MRI = magnetic resonance imaging; USS = ultrasound scan; FNA = fine needle aspiration; TNO = transnasal oesophagoscopy; PET-CT = positron emission tomography computed tomography; MDT = multidisciplinary team; EBRT = external beam radiotherapy
