Lump In Middle Of Sternum - How Much Is 2 Bill From 1976 Worthsupport And Help Detail Pericardial cysts are an uncommon benign congenital anomaly in the middle mediastinum. They represent 6% of mediastinal masses, and 33% of mediastinal cysts. Most chest wall tumors found in children are primary, while most found in adults are secondary. All of these tumors tend to be a lump on the chest wall surface or a growth that invades the. A lump near the sternum could indicate involvement of chest lymph nodes.
How Much Is 2 Bill From 1976 Worthsupport And Help Detail