"Abnormal tissue" refers to any tissue in the body that is not functioning or appearing as it should. It may indicate a health problem or disease, and could have different characteristics or features compared to normal tissue. Full definition
This can lead to earlier incidence of tumors and other abnormal tissue developments, including cancer. (cesarsway.com)
The new technique promises better detection of cancers and other abnormal tissue. (newscientist.com)
The disease is characterized by a narrowing (stenosis) caused by a ridge or ring of abnormal tissue growth that inhibits blood flow from the heart to the aorta. (healthypets.mercola.com)