Close | |
![]() |
|
Figure 2: (a) Section shows a relatively well circumscribed tumor (black arrow) and the adjacent compressed lung parenchyma at the periphery. (H and E, 100×). (b) Tumor in papillary pattern showing a dual population of cuboidal surface cells overlying a core of round cells (H and E, 200×). (c) Sclerotic pattern dense areas of stromal collagen are present. (H and E, 200×), inset calcification. (d) Higher magnification of (figure b) cuboidal surface cells (yellow arrow) and round stromal cells (black arrow). (H and E, 400×) |
|