“…Previous studies have reported spontaneous pneumothorax (unilateral and bilateral), congenital lobar abnormalities, bullae, bronchiectasis, cystic disease and changes, honeycombing, apical fibrosis, and emphysema. 5,[11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] These studies have largely relied on imaging and gross examination, with spontaneous pneumothorax being the pathologic change most often described. The few studies that explore histologic classification tend to report nonspecific microscopic descriptions.…”