Which of the following statements about Gastric carcinoma are true?

Gastric carcinomas are often associated with hypochlorhydria and achlorhydria. "About 20% of patients with carcinoma stomach are achlorhydric after maximal stimulation. Hypochlorhydria is present in about all the cases" - Textbook of Surgery by. Gupta 2/e 867 Adenocarcinomas are the most common histological subtypes of stomach cancer. "About 85% of stomach cancers are adenocarcinomas"- Harrison 17/e p571 Occult blood in the stool may be seen in gastric ca. "Acute GI bleeding is somewhat unusual (5%), but chronic occult blood loss is common and manifests as iron deficiency anemia and heme-positive stool."- Schwartz 9/e p932 Gastric ca are not radiosensitive; they are relatively radioresistant. "Gastric adenocarcinoma is a relatively radioresistant tumor"- Harrison 17/e p573