one of lung cancers symptoms is shortness of funds
tumors obstructing bloodflow to the heart can cause superior vena cava syndrome swelling of the upper body and shortness of breath while tumors infiltrating the area around the heart can cause fluid buildup around the heart arrythmia irregular heartbeat and heart failure
 small bowel obstructions caused by the growth of a tumor in the digestive system is another example of a spaceoccupying consequence of cancer