Proper collection of sputum is the key to increasing of the detection rate of early-stage lung cancer.
1.The doctor hands over sputum specimens bottle containing 20ml of cells preservation solution to the client;
2.The client should gargle with water before expectoration to clean the oral cavity; take a deep breath to try to expectorate sputum in the deep part of lungs into the specimen bottle; 1-2 mouths of sputum, which is about 5-0 ml is needed; tighten the cap of the bottle, and then shake it gently for a few times, to ensure the full contact between the specimens and the preservation solution.
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