Is coughing up blood a sign of lung cancer?
1. Introduction Coughing up blood, known clinically as hemoptysis, is a hallmark warning sign of lung cancer resulting from a malignant tumor eroding into the fragile, high-pressure blood vessels of the respiratory tract. However, while hemoptysis is a critical symptom of lung malignancy, it is statistically far more likely to be caused by severe bronchitis, … Read more