From the questions on page 1039

Upper GI endoscopy revealed a lesion with a grey plaque-like base and necrotic slough over it resembling a tumour. Biopsies from the centre and edge of the lesion showed numerous non-septate, right angular branched fungal hyphae indicative of mucormyces on H&E stain which was confirmed on Gomori methenamine silver stains (fig 2 of the question). In view of her age and deranged renal function, the patient’s relatives refused treatment with amphotericin …