The elevated expression of HER3 promotes cancer progression and correlates with a worse survival rate in patients with cancers of colon, gastric, breast, lung, ovarian, melanoma, head and neck, pancreatic and cervical [15, 36, 75], emphasizing the importance of developing effective therapeutics that specifically target and inhibit the HER3 receptor [16, 76, 77]. Here, ERBB3 is linked to cancer.