Some form of unusual bleeding or discharge is often associated with cancer of the digestive system or respiratory system. Some type of hemorrhaging might occur which appears as blood in the urine (hematuria) or as bloody stools (melena). Also, the patient might be spitting up blood, a condition known as hemoptysis. Four terms describing some type of unusual bleeding are:
||condition of blood in the urine|
||a condition characterized by the spitting up or coughing up of blood|
|melena||from "melas," a root meaning black||the passage of black, tarry stools containing blood (When blood oxidizes, it becomes black.)|
||the vomiting of blood|
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