CLINICAL MEDICINE

MEDICINE

ONCOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the most common type of lung cancer in non-smokers?
A
small cell carcinoma
B
Squamous cell carcinoma
C
Adenocarcinoma
D
large cell carcinoma
Explanation: 

Detailed explanation-1: -About 50% to 60% of lung cancers found in people who never smoked are adenocarcinomas (cancer that begins in the cells that line the lung’s tiny air sacs and make substances such as mucus). About 10% to 20% are squamous cell carcinomas (cancer that forms in the thin, flat cells lining the inside of the lungs).

Detailed explanation-2: -Non-small cell lung cancer (NSCLC) Adenocarcinoma: Adenocarcinomas start in the cells that would normally secrete substances such as mucus. This type of lung cancer occurs mainly in people who smoke or used to smoke, but it is also the most common type of lung cancer seen in people who don’t smoke.

Detailed explanation-3: -Adenocarcinoma is a type of non-small cell lung cancer (NSCLC). It usually begins in the outer edges of the lungs and the lining of the bronchi (airway passages into the lungs). It is different from other types of lung carcinomas, which are usually more centrally located in the lungs.

Detailed explanation-4: -Adenocarcinoma: This is more common than squamous cell carcinoma. Manifesting in the outer regions of the lung, adenocarcinoma also has ties to current and former smokers, but is the lung cancer type that’s prevalent among non-smoking females, too.

Detailed explanation-5: -Adenocarcinoma. This is the most common type and starts in the mucus making gland cells in the lining of your airways. Squamous cell cancer. This type develops in the flat cells that cover the surface of your airways. Large cell carcinoma. Other types of non small cell cancer.

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