Fig. 10From: MRI-detected extramural venous invasion of rectal cancer: Multimodality performance and implications at baseline imagingĀ and after neoadjuvant therapyExtramural invasion in squamous cell carcinoma. A 58-year-old male with rectal squamous cell carcinoma. A nodular, elongated structure extends cranially from the right side of the circumferential rectal tumor (a, b arrow)Back to article page