Is coughing up bloody sputum definitely lung cancer

Hemoptysis and sputum are not necessarily lung cancer, but can also be considered to be caused by bronchiectasis, pulmonary edema, cor pulmonale, bronchitis, left heart failure, tuberculosis and other diseases. If symptoms such as cough, chest tightness, shortness of breath, and low fever occur at the same time, it is recommended to go to the hospital in time. Perform a lung CT examination.