Figure 2From: Metastatic prostate cancer masquerading clinically and radiologically as a primary caecal carcinomaa) Histology shows a well defined intraluminal, protuberant tumour invading the submucosa. This invasive tumour extends to pericolonic fibroadipose tissue. b) This tumour is positive with PSA, confirming its metastatic origin from a primary prostatic carcinoma.Back to article page