**Question:** Early warning signs of Cancer that public should be aware of include all except

A. Fatigue
B. Unintended weight loss
C. Nail changes
D. Skin changes

**Core Concept:** Early detection of cancer is crucial for successful treatment and improved prognosis. Early warning signs can help individuals recognize symptoms and prompt medical evaluation. Cancer is a group of diseases characterized by uncontrolled cell growth and the potential to invade surrounding tissues or spread to distant sites.

**Why the Correct Answer is Right:** Nail changes (option C) are generally not considered as early warning signs of cancer, as they are more commonly associated with fungal infections, psoriasis, or other nail disorders. The other options represent common symptoms or signs observed in various cancer types:

**Option A - Fatigue:** Fatigue is a non-specific symptom that can be caused by various conditions, including infections, anemia, or medication side effects. While fatigue may occasionally accompany cancer, it is not a unique early warning sign of cancer.

**Option B - Unintended weight loss:** Unintended weight loss (unexplained weight loss greater than 5% body weight within 6 months) is a common presenting complaint in patients with cancer, particularly in advanced stages. However, weight loss can be caused by other conditions, like gastrointestinal disorders, malabsorption, or psychiatric disorders.

**Option D - Skin changes:** Skin changes can be an early indicator of skin cancer, such as melanomas, basal cell carcinomas, or squamous cell carcinomas. However, skin changes may not specifically indicate cancer and could be attributed to various dermatological conditions like eczema, psoriasis, or fungal infections.

**Why Each Wrong Option is Incorrect:**

**Option A - Fatigue:** Fatigue is a non-specific symptom and can be attributed to various conditions other than cancer.

**Option B - Unintended weight loss:** Weight loss can be caused by many unrelated conditions, making it a less specific early warning sign of cancer.

**Option D - Skin changes:** Skin changes may indicate skin cancer or other dermatological conditions, but they cannot be considered as cancer-specific warning signs.

**Option C - Nail changes:** Similar to fatigue and unintended weight loss, nail changes can be attributed to various causes, making them less specific early warning signs of cancer.

**Clinical pearl:** A comprehensive evaluation of symptoms, including a thorough physical examination and necessary investigations, is essential when evaluating patients with possible cancer symptoms. Early detection and prompt management can lead to improved outcomes, but general symptoms like fatigue, unintended weight loss, and skin or nail changes should not be solely relied upon as cancer-specific warning signs.

**Correct Answer:** Skin changes (Option D) can be considered as early warning signs of skin cancer, making it the correct choice among the given options. However, it is essential to remember that skin changes may also indicate various dermatological conditions. Therefore, a comprehensive evaluation is crucial to confirm the presence or absence of cancer.