**Core Concept**
Myxomas are rare, benign cardiac tumors that can arise in the heart's atria, typically the left atrium. They are known to cause a variety of clinical manifestations due to local effects and embolic phenomena.

**Why the Correct Answer is Right**
Hypertension is not a typical clinical feature of myxoma. While myxomas can cause a range of symptoms, including arrhythmias, palpitations, and shortness of breath, hypertension is not commonly associated with these tumors. In contrast, myxomas can cause embolic phenomena due to tumor fragments breaking off and traveling to distant sites in the body, leading to ischemia and infarction. This phenomenon is a well-documented complication of myxoma.

**Why Each Wrong Option is Incorrect**
**Option A:** Fever is a possible clinical feature of myxoma, particularly if the tumor becomes infected or if there is an associated inflammatory response.
**Option B:** Clubbing is a classic sign of myxoma, often associated with the tumor's local effects on the heart and surrounding tissues.
**Option D:** Embolic phenomenon is indeed a clinical feature of myxoma, as mentioned earlier, and is a major concern in the management of these patients.

**Clinical Pearl / High-Yield Fact**
Myxomas are the most common type of primary cardiac tumor in adults, and they often present with symptoms related to obstruction of blood flow or embolic events.

**✓ Correct Answer: C. Hypeension**