“…Some authors define massive hemoptysis as a blood loss of 100-600 mL in 24 h, (1)(2)(3) whereas others define hemoptysis as massive only when the blood loss is greater than 600 mL in 24 h. (4) Some classify hemoptysis as massive only when it is life-threatening. (3) In such cases, the patients should be immediately admitted to the ICU.…”