From the center they migrate to the lungs, ascend to the trachea, descend to the esophagus and finally reach the small gut to turn into grownup. In a couple of sufferers, nevertheless, multiple microscopic examinations of pleural (pericardial) fluid are unfavorable for tumor, and the fluid is nonbloody and never an exudate. National Institute for Health and Clinical Excellence Continuous Ruan Y, Thabit H, Leelarathna L et al
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