**Question:** All are true about renal cell cancer except

A. Renal cell cancer is a type of cancer that originates from the renal tubular epithelial cells in the kidneys.
B. Renal cell cancer is the most common type of kidney cancer in adults.
C. Renal cell cancer can be cured with surgery alone in all cases.
D. Renal cell cancer usually presents with life-threatening bleeding or severe pain.

**Correct Answer:** C. Renal cell cancer can be cured with surgery alone in all cases.

**Core Concept:** Renal cell carcinoma (RCC) is a type of cancer that develops from the renal tubular epithelial cells in the kidneys. It is the most common form of kidney cancer in adults, accounting for approximately 80% of cases.

**Why the Correct Answer is Right:** Renal cell carcinoma is a type of cancer that is typically treated with surgery, specifically nephrectomy (removal of the affected kidney). However, this statement is not entirely accurate as not all cases of renal cell carcinoma can be cured with surgery alone. The success of nephrectomy depends on several factors, including the tumor size, stage, and location. For smaller, localized tumors, nephrectomy can lead to a high cure rate. In cases of advanced or multifocal tumors, additional treatments like radiation therapy, targeted therapy, or immunotherapy might be necessary to improve outcomes.

**Why Each Wrong Option is Incorrect:**

A. Renal cell cancer is a true statement as it refers to the cancer originating from the renal tubular epithelial cells in the kidneys, making it relevant and incorrect.

B. Renal cell cancer is the most common type of kidney cancer in adults, which is true. However, option B incorrectly assumes that all renal cell carcinoma cases can be cured with surgery alone.

D. Renal cell carcinoma can present with life-threatening complications such as hypertension, anemia, and electrolyte imbalances, but the statement "Renal cell cancer usually presents with life-threatening bleeding or severe pain" is incorrect. While renal cell cancer can cause bleeding or pain, not all cases present in such severe ways, and the statement is too general.

**Clinical Pearl:** While nephrectomy remains an essential treatment modality for renal cell carcinoma, it is essential to recognize that individual cases may require additional interventions depending on tumor characteristics and patient factors. This understanding helps in providing a comprehensive treatment plan and improving patient outcomes.