| Symptoms
& History
Physical
Findings
Stop
& Think
Lab
and X-Ray
Differential
Diagnosis
The
Disease
Treatment
Conclusions
Quiz
& Evaluation |
|
Staging
the lesion at the time of discovery is important for prognosis
and decisions on treatment. Unfortunately, lung cancers don't
follow many rules. They are among the most aggressive and unpredictable
of malignancies.
|
International Staging
for Lung Cancers
|
| Stage |
Determining factors
|
|
|
T
(1-4)
(tumor) |
Tumor size (3 cm or greater)
and local extent; pleural, chest wall, trachea, esophagus, carina, etc. |
|
|
N
(0-3)
(nodes) |
No
nodal involvement; ipsilateral; contralateral; mediastinal; distant. |
|
|
M
(0-1)
(metastasis) |
Presence
or absence of distant metastasis; bone, brain, kidney, etc. |
|
Staging
groups.
Back |
|