DDR1 and cancer: Recently, DDR1 aberrant expression has been described in different cancer cell lines and cancer patients, such as lung (Ambrogio et al., 2016), breast (Friese‐Hamim and Vogel, 2005), esophagus (Nemoto et al., 1997), ovary (Heinzelmann‐Schwarz et al., 2004; Quan et al., 2011) and colon cancers (Weiner et al., 2000).