Final answer:
Lung carcinoma is the leading cause of cancer death in the US, predominately occurring in the upper lung and commonly found in the upper lobe, due to late detection and tobacco smoke exposure.
Step-by-step explanation:
Lung carcinoma is the most common cancer death in the US in men and women. It occurs more often in the upper lung and is more common in the upper lobe. While basal cell carcinoma is the most common of all new cancers, making up 40 percent each year, lung cancer leads to the majority of cancer deaths. The primary reason for this high mortality rate is that lung cancer is often not detected until it has advanced, making it harder to treat effectively. Moreover, the most common cause of lung cancer is exposure to tobacco smoke. Lung cancer is responsible for 1.3 million deaths worldwide annually and presents symptoms such as shortness of breath, coughing, and weight loss.
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