ROS1 Fusion Negative

**Semantic type:** Laboratory or Test Result

**Definition:** An indication that the expression of a fusion involving ROS1 has not been detected in a sample.

**Synonyms:** - MCF3 Fusion Negative - Proto-Oncogene Tyrosine-Protein Kinase ROS Fusion Negative - Proto-Oncogene c-Ros Fusion Negative - Proto-Oncogene c-Ros-1 Fusion Negative - ROS Fusion Negative - ROS Proto-Oncogene 1, Receptor Tyrosine Kinase Fusion Negative - Receptor Tyrosine Kinase c-Ros Oncogene 1 Fusion Negative - c-Ros-1 Fusion Negative