| | Cancer | Lung Cancer Is Ca the abbreviation for cancer? No, "Ca" is not the abbreviation for cancer. The abbreviation for cancer is "CA" or "Can". "Ca" is the abbreviation for calcium. Lung Cancer - Related Articles What is leather lung? Novalis Radiosurgery for Lung Cancer Metastatic Disease Radiation Treatment for Lung Cancer Nodules Copd and pulmonary emphysema is lung cancer give its sign symtoms? Is There a Cure for Lung Cancer? Density of the lungs and kidneys? How to Survive Stage 4 Lung Cancer