NTRK1 and malignant colon neoplasm: The LMNA-NTRK1 fusion has similarly been demonstrated in colorectal cancer.12, 20 In a study by Sartore-Bianchi et al. a patient with primary colon cancer, peritoneal carcinomatosis, and liver metastases was similarly found to have a LMNA-NTRK1 fusion.