There is no connection between calf pain symptoms and gastric cancer. Calf pain can be caused by diseases of vascular system, nervous system, skeletal muscle system, and usually not by digestive system diseases, especially gastric cancer, a malignant tumor of stomach, whose general symptoms are chronic stomach discomfort, nausea and vomiting, loss of appetite, weight loss, etc. If patients with advanced gastric cancer have pain in the left calf, they can check whether there is metastasis of cancer cells.