sorafenib inhib RAS and B-Raf 腫瘤生長-of-sorafenib RAS→B-RAF-MEK-MAPK-Nuclear Transcription-Tumor cell prolifertaion RAS Backlink Treatment of hepatocellular carcinoma Small Molecule Pathway Inhibitors Oncology - Treatment Toxicities - Fast Facts NEJM Resident 360 lenvatinib hepatocellular carcinoma differential diagnosis for yellowing of the skin bak-of-snippets Avapritinib AE_SORAFENIB