onÂ·colÂ·oÂ·gy. The study or science dealing with the physical, chemical, and biologic properties and features of neoplasms, including causation, pathogenesis, and treatment. oncology. /onÂ·colÂ·oÂ·gy/ (ong-kolÂ´ah-je) the sum of knowledge regarding tumors; the study of tumors.
Atherosclerosis in Your 40s and 50s. In men after age 50, the rate of atherosclerosis development accelerates markedly. In women, this increased risk is delayed until age 60. By this time, even if you don't have any evidence of atherosclerosis, your lifetime chances of developing its complications are greater than 50%.therosclerosis in Your 20s and 30s. Atherosclerosis is the last thing on most young adults' minds. But early forms of atherosclerosis are frequently present in our 20s and 30s. Almost no one suffers complications from atherosclerosis at this age.
Atherosclerosis can cause narrowing of any of the arteries throughout the body. This narrowing or occlusion is called stenosis, and can occur in the arteries in the (the legs), or more infrequently in the arms. When it occurs in the legs and feet, it causes a disease known as lower extremity arterial occlusive disease.