Sputum smear showing abundant neutrophil leucocytes, light micrograph. This suggests an acute inflammation of the lung airways (acute bronchitis).

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Keywords: -, abnormal, anatomical, anatomy, background, biological, biology, black, body, cirrhosis, digestive, gross, gut, human, medical, medicine, oesophageal, oesophagus, pathological, pathology, specimen, tract, unhealthy, varices