What is a T1a tumor?

T1a is a tumor that is larger than 1 mm but 5 mm or smaller. T1b is a tumor that is larger than 5 mm but 10 mm or smaller. T1c is a tumor that is larger than 10 mm but 20 mm or smaller.

What is T1a and T1b?

T1a means that the cancer is in less than 5% of the removed tissue. T1b means that the cancer is in 5% or more of the removed tissue. Your surgeon might find a T1a or T1b cancer during surgery for other reasons. T1c cancers are found by biopsy.

What does Stage 1b mean in cancer?

Stage IB lung cancer. The tumor is larger than 3 centimeters but not larger than 4 centimeters. Cancer has not spread to the lymph nodes; OR the tumor is 4 centimeters or smaller.

What is the lowest grade of prostate cancer?

The lowest Gleason score is 6, which is a low-grade cancer. A Gleason score of 7 is a medium-grade cancer, and a score of 8, 9, or 10 is a high-grade cancer. A lower-grade cancer grows more slowly and is less likely to spread than a high-grade cancer.

What is T1a melanoma?

T1a means the melanoma is less than 0.8 mm thick and the skin over the tumour does not look broken under the microscope (not ulcerated). T1b means either: the melanoma is less than 0.8 mm thick but is ulcerated. the melanoma is between 0.8 mm and 1.0 mm and may or may not be ulcerated.

What does 1A mean in cancer?

Stage 1A means that the cancer is 2 centimetres (cm) or smaller and has not spread outside the breast.

Can low grade prostate cancer go away?

Even if the diagnosis can be worrying: Low-risk prostate cancer grows only very slowly, or sometimes doesn’t grow at all. So the chances of recovery are very good. Over a time period of 10 years, only 1 out of 100 men who have low-risk prostate cancer will die of this disease.

What is the best treatment for low grade prostate cancer?

Many men with low-risk prostate cancer are treated immediately, with surgery or radiation. Treatment is not necessary for many patients. And it can cause sexual, urinary, and bowel problems.