**Question:** Following are signs of internal malignancy except:

A. Weight loss
B. Fatigue
C. Abdominal pain
D. Hematuria

**Core Concept:** Internal malignancy refers to cancer that occurs within the internal organs or tissues of the body. The signs and symptoms of internal malignancies often include weight loss, fatigue, abdominal pain, and hematuria. However, hematuria is not a specific sign of internal malignancy and can be caused by various other conditions as well, such as urinary tract infections, urinary calculi, or trauma.

**Why the Correct Answer is Right:** Hematuria, which is the presence of blood in the urine, is a non-specific sign of internal malignancy, meaning it can be caused by other conditions besides cancer. This makes it less specific and less reliable compared to weight loss, fatigue, and abdominal pain which are more commonly associated with internal malignancies.

**Why Each Wrong Option is Incorrect:**

A. Weight loss: Although malignant tumors can lead to weight loss, it is not always present and can be attributed to other factors such as emotional stress, poor appetite, or infections.
B. Fatigue: Similar to weight loss, fatigue can be caused by various reasons unrelated to malignancy, including anemia, depression, or sleep disorders.
C. Abdominal pain: Abdominal pain can be related to internal malignancies, but other causes like gastrointestinal infections, gastrointestinal obstruction, or inflammation should also be considered in the differential diagnosis.

**Clinical Pearl:** In clinical practice, it is essential to consider multiple factors when evaluating patients with suspected internal malignancies. While abdominal pain, weight loss, and fatigue can be associated with malignancies, these symptoms alone are not definitive indicators of cancer. A thorough clinical examination, investigation, and a systematic approach are necessary to confirm the diagnosis.

**Correct Answer:** D. Hematuria (Option D) is not a specific sign of internal malignancy, making it less reliable compared to the other options (A, B, and C). When assessing patients with suspected internal malignancies, it's crucial to consider the differential diagnosis of various conditions, including non-cancer-related causes, to ensure accurate diagnosis and treatment.