Elevation of CrkL protein level is also reported in non-small cell lung cancer (NSCLC) [32,70], rhabdomyosarcoma [33], breast cancer [34], gastric cancer [35,63], thyroid cancer [71], ovarian cancer [65], cervical cancer [37,72], endometrial cancer [38], pancreatic ductal adenocarcinoma [73], and colorectal cancer [47] tissues. Here, CRKL is linked to breast cancer.