Occupational cancer involve following organs except:
**Core Concept**
Occupational cancer refers to cancers caused by exposure to carcinogens in the workplace. This type of cancer is a significant occupational health concern, as it can be prevented or minimized through proper safety measures and regulations.
**Why the Correct Answer is Right**
The correct answer involves identifying the organs that are commonly affected by occupational cancer. These cancers can arise from exposure to various carcinogens, including asbestos, radon, benzene, and vinyl chloride, which are known to cause lung, liver, and hematological malignancies. For instance, exposure to asbestos can lead to mesothelioma, a type of cancer that affects the lining of the lungs, while exposure to benzene can increase the risk of developing leukemia.
**Why Each Wrong Option is Incorrect**
* **Option A:** Incorrect because lung cancer is a well-documented occupational cancer, often associated with exposure to carcinogens like tobacco smoke, asbestos, and radon.
* **Option B:** Incorrect as liver cancer can be caused by exposure to certain chemicals, such as vinyl chloride and aflatoxins, which are known occupational carcinogens.
* **Option C:** Incorrect as hematological malignancies, including leukemia, can be caused by exposure to carcinogens like benzene, which is commonly found in the workplace.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that occupational cancer can manifest years or even decades after initial exposure to carcinogens, making it crucial for healthcare professionals to take a thorough occupational history when evaluating patients with suspected cancer.
**Correct Answer: A. Larynx**