“…The results from our study suggest that SBRT therapy in large > 5 cm primary NSCLC tumors is associated with acceptable rates of grade 2 or higher therapy-associated toxicities, comparable to reports on tumors < 5 cm. [2][3][4][5][6][7] Onishi et al 15 found 10.9% grade 2 or higher toxicities in 28 of 257 patients, and RTOG 0236 1 reported 15% grade 3 or higher toxicities. When judging causation for observed toxicities, it can be difficult to distinguish between disease progression and treatment effect, and this potential confounder should be recognized.…”
SBRT for tumors > 5 cm is effective, with good local control rates and acceptable toxicity. The main pattern of failure is distant, suggesting a possible role for systemic chemotherapy in these patients.
“…The results from our study suggest that SBRT therapy in large > 5 cm primary NSCLC tumors is associated with acceptable rates of grade 2 or higher therapy-associated toxicities, comparable to reports on tumors < 5 cm. [2][3][4][5][6][7] Onishi et al 15 found 10.9% grade 2 or higher toxicities in 28 of 257 patients, and RTOG 0236 1 reported 15% grade 3 or higher toxicities. When judging causation for observed toxicities, it can be difficult to distinguish between disease progression and treatment effect, and this potential confounder should be recognized.…”
SBRT for tumors > 5 cm is effective, with good local control rates and acceptable toxicity. The main pattern of failure is distant, suggesting a possible role for systemic chemotherapy in these patients.
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