(rÄâ²dÃ¤r) 1. A method of detecting distant objects and determining their position, speed, or other characteristics by causing radio waves to be reflected from them and analyzing the reflected waves. The waves can be converted into images, as for use on weather maps.
A high level of the marker may indicate a worsened prognosis in some situations. The most effective and common purpose of tumor markers is to monitor the cancer treatment. As the cancer levels go on decreasing in the body, the marker also goes down. If the marker remains stagnant or increases, it is usually an indication that the patient is not responding sufficiently to the treatment.
One answer is that cancerous cells can often spread from the original site of the tumor to other parts of the body via the blood stream and lymph system. So a tumor growing in breast tissue or the skin on your face may actually cause a tumor to develop in your brain or lungs if left unchecked.ne answer is that cancerous cells can often spread from the original site of the tumor to other parts of the body via the blood stream and lymph system. So a tumor growing in breast tissue or the skin on your face may actually cause a tumor to develop in your brain or lungs if left unchecked.