[Widened resection in locally advanced carcinomas of the right half of the colon]

We describe two cases of locally advanced carcinomas of the right half of colon. In spite of big tumour size and infiltration of adjacent organs we decided to perform widened "en block" resection. Microscopically no neoplastic cells were found in lymph nodes. During a year observation we did not ascertain any features of neoplasm relapse what is consistent with data published by other authors. They indicate that radical resection of big-sized tumours infiltrating adjacent organs in the case of absence of metastases into lymph nodes gives the patient a chance for long-term survival.