EVERYDAY SCIENCE

Detailed explanation-1: -The spread of cancer cells from the place where they first formed to another part of the body. In metastasis, cancer cells break away from the original (primary) tumor, travel through the blood or lymph system, and form a new tumor in other organs or tissues of the body.

Detailed explanation-2: -Polyps in the colon or rectum These growths are called polyps. Some types of polyps can change into cancer over time (usually many years), but not all polyps become cancer. The chance of a polyp turning into cancer depends on the type of polyp it is. There are different types of polyps.

Detailed explanation-3: -In the gastrointestinal tract, rectal and colon adenocarcinomas develop in the cells of the lining inside the large intestine. These adenocarcinomas typically start as a growth of tissue called a polyp. A particular type of polyp called an adenoma may develop into cancer.

Detailed explanation-4: -A CT scan is used to see if colorectal cancer has spread to lymph nodes or other organs in your chest, abdomen, or pelvis. A CT scan can also be used to guide a biopsy to confirm metastases in organs, such as the liver. Ultrasound. An abdominal ultrasound may be used to see if colorectal cancer has spread to the liver.