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PIK3CA amplification is common in left side tubular adenomas but uncommon sessile serrated adenomas exclusively with KRAS mutation

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Colorectal cancer is a heterogeneous disorder than arises via multiple distinct pathways, from tubular adenomas (TAs) and sessile serrated adenomas (SSAs), which are clinically, morphologically, and molecularly different. We examined PIK3CA amplification in colorectal precancerous legions, including TAs and SSAs. DNA was isolated from paired normal and tumoral tissues in 64 TAs and 32 SSAs. | PIK3CA amplification is common in left side tubular adenomas but uncommon sessile serrated adenomas exclusively with KRAS mutation

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PIK3CA amplification is common in left side tubular adenomas but uncommon sessile serrated adenomas exclusively with KRAS mutation

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