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Hello. This is internist Oh In-su. Today, let's learn about the symptoms that can appear when you develop lung cancer~ This channel will become healthier the more you watch! Thank you so much for watching???? ※If you want to know more interesting medical knowledge, please visit ????Doctor Leegul Medical Note (https://blog.naver.com/drleegul) that Doctor Leegul is serializing :) ???? Contact inquiries: [email protected] Medical Note Blog: https://blog.naver.com/drleegul produced by PIGBIRD #Director Oh In-su #Director Leegul #LungCancerSymptoms