e20541 Background: Primary pulmonary lymphoepithelioma-like carcinoma (PPLELC) is an extremely rare subtype of non-small cell lung cancer (NSCLC) and there are no established treatment protocols due to its rarity. At present only limited studies about the molecular clinical characteristics PPLELC results often inconsistent. Methods: The study collected patients with who were admitted Zhejiang C...

Background: KRAS oncogene is involved in colorectal carcinogenesis 22 to 45% of cases. mutations can render Epidermal Growth Factor Receptor (EGFR) inhibitors ineffective. The present study aimed determine the molecular diversity, frequency, and characteristics metastatic Colorectal Cancer (mCRC). gene contains 4 coding exons 1 non-coding exon, which exon 2 has highest mutation rate, directly a...