

Tumors are larger than 2 cm but smaller than 3 cm and are at least 0.5 cm deep into the tissue. Tumors are larger than 1 cm but smaller than 2 cm and are at least 0.5 cm deep into the tissue of the lung. Tumors are 1 cm or smaller and are at least 0.5 cm or deeper into the tissue of the lung. Tumors grow only along the surface of lung tissue and are not 0.5 cm deep into the tissue of the lung. Tumors are only in the lungs and are 3 cm or smaller. There are abnormal or cancer cells in airways that have not spread to other lung tissue. Tumors are too small for testing or cannot be found with tests. The Living Room: A Lung Cancer Community of Courage.Frequently Asked Questions About Clinical Trials.
