**Core Concept**
The patient's presentation of chronic breathlessness and intermittent jaundice suggests a possible diagnosis related to a condition that affects both the lungs and liver. This scenario points towards a systemic disorder that affects multiple organ systems, particularly those involved in gas exchange and detoxification.

**Why the Correct Answer is Right**
The patient's symptoms, along with the lung and liver findings, are suggestive of a condition known as **Ehlers-Danlos syndrome (EDS)**, specifically the vascular subtype (EDSV). EDSV is characterized by aortic dissections and rupture, often presenting with breathlessness and jaundice due to aortic involvement affecting the hepatic and pulmonary arteries. The underlying pathophysiology involves **defects in collagen synthesis**, which leads to aortic and other arterial wall fragility, increasing the risk of dissections and rupture.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option might suggest a diagnosis of **pulmonary embolism**, which could cause breathlessness but would not explain the liver findings or the underlying systemic condition.
* **Option B:** This option might suggest a diagnosis of **primary biliary cirrhosis**, which could explain the liver findings but would not account for the lung involvement or the systemic nature of the condition.
* **Option C:** This option might suggest a diagnosis of **sarcoidosis**, which could affect the lungs and liver but would not explain the systemic findings or the specific vascular involvement seen in EDSV.

**Clinical Pearl / High-Yield Fact**
It's essential to consider systemic diseases that affect multiple organ systems, particularly in patients presenting with seemingly unrelated symptoms. Remember the **"ABCD"** mnemonic for EDS: **A**ortic dissections, **B**reathlessness, **C**ardiac manifestations, and **D**yspnea.

**Correct Answer:** C.