Fig. 4

Radiographic findings of the patient. A: CT scan conducted prior to lobectomy revealed the presence of a mixed ground-glass nodule within the upper lobe of the right lung (as shown by the blue arrow). B: CT scan after the patient presented with hemoptysis for the first time following lobectomy, which revealed encapsulated hemoptysis at the bronchial stump (as shown by the blue arrow). C: CT scan of the patient exhibited the aforementioned symptoms for a second time, presenting with an encapsulated hematoma in a location that was almost identical to the previous occurrence (as shown by the blue arrow). D: CT scan conducted one month after the angiography demonstrated a notable reduction in blood and fluid absorption. E: The bronchoscopy examination revealed no discernible abnormality