What is M1a disease?
Clinical staging guidelines defined M1a disease as metastases within the chest cavity, including pleural dissemination and contralateral pulmonary nodules. Patients with M1a disease are classified as stage IV, regardless of lymph node status.
What does T4 N3 M1 mean?
The main tumor was small, and although a little bit of cancer was found in your lymph nodes, the disease hasn’t reached other parts of the body. A T4 N3 M1 cancer would put a person at the opposite end of the spectrum.
What does T3 N2 M0 mean?
Using an example from the National Cancer Institute, Breast Cancer staged as T3N2M0 would describe a large (T3) tumor that has spread to the nearby lymph nodes (N2) but has not spread to other parts of the body (M0).
What stage is lung cancer when it is in the lymph nodes?
Stage 3C: The lung cancer tumor is any size and has reached the lymph nodes on the same side or the opposite side of the chest.
Is a 5 cm breast tumor large?
it will likely be classified as stage IA. In general, stage IIB describes invasive breast cancer in which: the tumor is larger than 2 cm but no larger than 5 centimeters; small groups of breast cancer cells — larger than 0.2 mm but not larger than 2 mm — are found in the lymph nodes or.
What does tis no mo mean?
Stage 0: Stage zero (0) describes disease that is only in the ducts of the breast tissue and has not spread to the surrounding tissue of the breast. It is also called non-invasive or in situ cancer (Tis, N0, M0).
What does pT1b mean?
The definition of pT1b stage finding depends on the particular type of cancer that it refers to; for example, for breast cancer, pT1b stage finding is defined as follows: cancer with tumor size more than 0.5 cm, but not more than 1.0 cm in greatest dimension; for lung cancer, pT1b stage finding is defined as follows: …