99mTc-H7ND SPECT/CT Imaging in NSCLC

99mTc-H7ND SPECT/CT imaging positive (+) was defined as the presence of at least one measurable lesion and the uptake of the lesion was greater than that of normal liver in the experimental group, and patients were divided into SD+ and SD-. According to the guidelines and routine clinical practice, SD- patients were treated with the original regimen or maintenance treatment, and SD+ patients were divided into continuation of the original regimen or second-line treatment according to the MDT discussion results.