This collateral supply not being sufficient to keep up the proper flow of blood through the part the veins tend to become thrombosed, thus increasing the engorgement.
There is general engorgement and oedema of the lungs, with pneumonic patches varying in size and irregularly distributed.
They are enlarged to the size of an almond, rounded, firm and pink; there is some engorgement and oedema on section; the substance is rather soft, and can be scraped off with a knife.
It is caused by engorgement of the breast.
Engorgement is caused when you leave milk in your breasts either by not emptying them during feedings or by missing feedings.