All of the following are treatment modalities for gastric lymphoma except:
**Core Concept**
Gastric lymphoma is a type of non-Hodgkin lymphoma that arises from the lymphoid cells within the stomach. The treatment modalities for gastric lymphoma involve a combination of chemotherapy, radiation therapy, and surgery, with the goal of eradicating the cancer cells and improving the patient's quality of life.
**Why the Correct Answer is Right**
The treatment of gastric lymphoma depends on the stage and extent of the disease, as well as the patient's overall health. Chemotherapy and radiation therapy are often used in combination to target the cancer cells and prevent their spread. Surgery may be necessary to remove the tumor and affected lymph nodes. In some cases, a combination of chemotherapy, radiation therapy, and surgery may be used.
**Why Each Wrong Option is Incorrect**
**Option A:**
This option is incorrect because chemotherapy is a standard treatment modality for gastric lymphoma.
**Option B:**
This option is incorrect because radiation therapy is often used in combination with chemotherapy to treat gastric lymphoma.
**Option C:**
This option is incorrect because surgery is sometimes necessary to remove the tumor and affected lymph nodes in gastric lymphoma.
**Clinical Pearl / High-Yield Fact**
Surgery may be necessary to remove the tumor and affected lymph nodes in gastric lymphoma, but it is not always the first line of treatment.
**Correct Answer:** D.