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Normally, only a small amount (milliliters) of fluid are present in the thorax and abdomen.
Anisocytosis: Variation in cell size, can be either small or large.
Inflammatory lesions can occur due to infectious or non-infectious causes.
Leukemia: The presence of neoplastic cells in circulation.
Mycobacteria do not stain with routine cytologic stains and can be difficult to visualize.
Cytolopathology: the laboratory and microscopic evaluation of cells and fluids.