Cancer cells in the breast form a malignant (cancerous) tumor that appears as a lump. Most breast cancers are carcinomas or cancers that begin in the lining of organs.
Colon cancer is cancer of the large intestine, while rectal cancer is cancer of the last few inches of the colon. These cancers are typically called colorectal cancers. While most colon cancers begin as small, benign groups of cells called polyps, over time these cells can become cancerous.
Ovarian cancer begins in a woman's ovaries, which produce eggs and the hormones estrogen and progesterone. Ovarian cancer often goes undetected until it spreads throughout the pelvis and abdomen because there are rarely any noticeable symptoms in the cancer's early stages.
Stomach cancer (gastric cancer) starts when cancer cells form in the stomach lining. Early symptoms can include indigestion and heartburn, a bloated feeling after eating a meal, heartburn, slight nausea and loss of appetite. More serious symptoms often appear as a stomach tumor grows, including stomach pain, blood in the stool, vomiting, unintended weight loss and trouble swallowing. Inflammation in the gut (gastritis), anemia and stomach growths (polyps) can increase the risk of stomach cancer.
There are different types of uterine cancer. The most common type is called endometrial cancer. Symptoms of uterine cancer include, abnormal vaginal bleeding, problems urinating, pelvic or pelvic floor pain, pain during sex.