<i>ETV6::NTRK3</i> Fusion-Positive Wild-Type Gastrointestinal Stromal Tumor (GIST) with Abundant Lymphoid Infiltration (TILs and Tertiary Lymphoid Structures): A Report on a New Case with Therapeutic Implications and a Literature Review. Here, NTRK3 is linked to gastrointestinal stromal tumor.