What are the macro and microscopic aspects of edema?

Macro (soft and pale, after incision may get pinkish liquid discharge, predominates in sloping areas (ankle), fabric sometimes retains fingerprint if pressed (bucket), can affect cavities (serous [PE/Ascites], joints [hydroarthrosis]). Microscopic (pale, weakly eosinophilic, serosity, separating normal building blocks from each other, mostly seen in subcutaneous tissue, lungs, brain. Pulmonary edema see increase in weight, forthy fluid, tinged with blood, mix of air, fluid, RBC. Cerebral edema localized or general, acc to disease)