Surgery Which of the following is the investigation of choice for assessment of depth of penetration and perirectal nodes in rectal cancer – A Trans rectal ultrasound B CT Scan pelvis C MRI Scan D Double contrast Barium enema 💡 Explanation Which of the following is the investigation of choice for assessment of depth of penetration and perirectal nodes in rectal cancer - ✓ Correct Answer: C. MRI Scan