What is Which of the following statements about Gastric carcinoma are true? and explain in detail?
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