They may be consumed up to the use by date. Unopened deli meats generally keep for two weeks. However, once the package is opened, the use by date is meaningless; the meat should be consumed within 3-5 days. This is because anti-oxidative gases that preserve pre-packaged deli meats escape from the packaging once it is opened. Unopened packaged deli meat can be frozen for one to two months.
Chest soreness that is caused by working out used to be attributed largely to the buildup of lactic acid, which is a waste product created by the muscles when strained.
Cancer that has spread to the lungs may not cause any symptoms or it may cause. 1  A cough that doesn't go away. 2  Shortness of breath. 3  Chest infections. 4  A build up of fluid between the chest wall and the lung called a pleural effusion â this in turn causes shortness of breath, chest aching, discomfort and heaviness.ancer in the lymph nodes may not cause any symptoms. But sometimes, the swollen lymph nodes can block the circulation of tissue fluid. This can cause swelling in the affected part of the body. For example, swollen lymph nodes in the armpit or groin can cause swelling in the arm or leg on the same side of the body.