- An irreversible dilation of the tracheobronchial tree, with destruction of the bronchial walls.
Read the rest of this entry »

- Ductal carcinomas account for 75% of all breast cancer; lobular and nipple carcinomas account for most of the remaining 25%.
Read the rest of this entry »

- An expanding, intracranial lesion that may be either benign or malignant. However, since both types can be lethal if inaccessible or left untreated, and since malignant tumors rarely metastasize beyond the central nervous system, the distinction serves mainly to describe the rate of growth and invasiveness. Tumors are divided into six classes, according to their origin: (1) skull, (2) meninges, (3) cranial nerves, (4) neuroglia, (5) pituitary/pineal body, and (6) congenital.
Read the rest of this entry »

- An intracerebral infection consisting of an encapsulated collection of pus.
Read the rest of this entry »

- Skeletal malignancy arising from osseous, cartilaginous, fibrous, or reticuloendothelial tissues of the bone.
Read the rest of this entry »