When bronchus carcinoma is detected in an advanced stage treatment is supplemented with beam radiation of the lung. The following study reveals that radiation does more harm than good and is not advised.

Data source

Surveillance, Epidemiology, and End Results (SEER) Program (www.seer.cancer.gov) SEER*Stat Database: Incidence - SEER 9 Regs Public-Use, Nov 2004 Sub (1973-2002), National Cancer Institute, DCCPS, Surveillance Research Program, Cancer Statistics Branch, released April 2005, based on the November 2004 submission.

Patients who were not irradiated  fare better then the irradiated

The next graph depicts the hazard difference between the two groups: hazard[irradiated] – hazard[control]. It proceeds through three phases:
A. Rising hazard rate difference, which  is attributed here to tumor ablation. Since radiation is more effective in destroying the tumor than  other treatments and since it assumed here that the patient depends on his tumor, hazard difference rises.
B.  Sequels of lung radiation, e.g. radiation pneumonitis
C.  No radiation effect,

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