Fig. 3

a Whole staple line dividing the anterior interlober fissure at the time of autopsy. The whole staple line dividing the anterior interlober fissure is shown at the time of autopsy. Two staples (white arrow) at the multiple firing junction protrude perpendicularly to the cut surface. The distal end of the staple line is ligated with silk. No malformed staples are noted even after careful palpation. b Enlarged image of two protruding staples at the multiple firing junction at the time of autopsy. An enlarged image of two protruding staples at the multiple firing junction are shown at the time of autopsy. One of the two staples is formed fimly to the lung and painful for us to palpate (white arrow)