Varovaisuutta on kuitenkin syytä noudattaa, jos Tarcevaa annetaan maksan vajaatoimintaa sairastaville potilaille. ###>Although erlotinib exposure was similar in patients with moderately impaired hepatic function (Child-Pugh score 7-9) compared with patients with adequate hepatic function, caution should be used when administering Tarceva to patients with hepatic impairment.