Question

A male patient with a history of chronic smoking presents with the complaint of dysphagia. Out of the following, which type of lung cancer is most likely to be found in this patient?

• A. Squamous cell carcinoma
• B. Adenocarcinoma
• C. Large cell carcinoma
• D. Bronchogenic carcinoma

Hint:

Squamous cell carcinoma is often linked to smoking and tends to cause central tumors near the main bronchi, leading to symptoms such as dysphagia and hemoptysis.

Answer 1

The Correct Option is A

Squamous cell carcinoma: This is the correct answer. Squamous cell carcinoma is strongly associated with chronic smoking. It is the most common type of lung cancer in smokers and often arises in the central airways (e.g., bronchi), where it can cause symptoms such as dysphagia due to the tumor's proximity to the esophagus.
Adenocarcinoma: Adenocarcinoma is the most common type of lung cancer overall, particularly in non-smokers. However, it can also occur in smokers. It tends to arise in the peripheral lung tissue and is less likely to cause dysphagia.
Large cell carcinoma: This is a poorly differentiated form of non-small cell lung cancer and can present with central or peripheral masses, but it is less specifically associated with dysphagia than squamous cell carcinoma.
Bronchogenic carcinoma: This is a broad term that includes squamous cell carcinoma, adenocarcinoma, and large cell carcinoma. Therefore, this option is too general to be considered the best answer. Thus, the correct answer is Squamous cell carcinoma (1), as it is most commonly seen in smokers and can cause dysphagia due to its location near the esophagus.