Yazgan S, Üçvet A, Yoldaş B, Gürsoy S, Ağaoğlu Şanlı B. Air leak grading in primary spontaneous pneumothorax is useful to predict prolonged air leak. Curr Thorac Surg. 2024; 9(2): 078-084. http://dx.doi.org/10.26663/cts.2024.016