Pulmonary edema (oedema pulmonum) 40x
The sample is a piece of lung tissue where the alveoli are partly full edematous fluid, which is seen as pink staining. There are also red blood cells and some macrophages can be seen. The capillaries of the alveolar septums are dilated and congestive. Also, some typical features of pneumonia can be seen. 40x magnification, HE-staining.