Study to Assess the Blood Levels and Safety of AZD9291 in Patients With Advanced Solid Tumours and Normal Liver Function or Mild or Moderate Liver Impairment

solid tumours, oncology, cancer, neoplasm, anticancer drug, pharmacokinetics, area under curve, azd9291, solid tumour, mild hepatic impairment, moderate hepatic impairment, interventional, phase1