A Study on Using SFRT With Standard Treatment for Oligoprogressive NSCLC
The goal of this clinical trial is to learn if spatially fractionated radiotherapy (SFRT) combined with standard systemic therapy can treat oligoprogressive non-small cell lung cancer (NSCLC) in patients who have progressed after at least one line of systemic therapy. The main question it aims to answer is:
\- Can the combination of SFRT and standard systemic therapy improve progression-free survival (PFS) compared to standard systemic therapy alone?
Participants will:
* Undergo SFRT treatment for oligoprogressive lesions, with specific dose fractionation determined by the radiation oncolog