Prevalence of p21 immunohistochemical expression in esophageal adenocarcinoma.

Background: In western societies, the prevalence of adenocarcinoma of the gastroesophageal junction has increased in recent years. It is commonly accepted today that esophageal adenocarcinoma develops from a premalignant lesion: Barrett's esophagus. This type of carcinoma is hardly diagnosed at early stages, which results in significant mortality.

[Solitary diverticulum of the cecum: experience of a Brazilian general hospital].

Background: Cecal diverticulitis is a rare condition, specially in western people. Its importance concerns of being part of the differential diagnosis of acute appendicitis and ulcerated cecal carcinoma.

Aim: To present the experience of southern Brazilian general hospital in the treatment of cecal diverticulitis.

[Prognostic factors following liver resection for hepatic metastases from colorectal cancer].

Aim: To determine the impact of prognostic factors on survival of patients with metastases from colorectal cancer that underwent liver resection.

Methods: The records of 28 patients that underwent liver resection for metastases from colorectal cancer between April 1992 and September 2001 were retrospectively analyzed. Thirty-eight resections were performed (more than one resection in eight patients and two patients underwent re-resections).