ROS1 Negative

**Semantic type:** Laboratory or Test Result

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

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