Source:http://linkedlifedata.com/resource/umls/id/C0019079
MSH: Expectoration or spitting of blood originating from any part of the RESPIRATORY TRACT, usually from hemorrhage in the lung parenchyma (PULMONARY ALVEOLI) and the BRONCHIAL ARTERIES.,NCI: Coughing or spitting up blood from the respiratory tract.,NCI: Coughing up blood from the respiratory tract.