Birth defects such as a lung cyst or other lung malformation. These are some of the more common types of benign lung tumors: 1  Hamartomas are the most common type of benign lung tumor and the third most common cause of solitary pulmonary nodules.irth defects such as a lung cyst or other lung malformation. These are some of the more common types of benign lung tumors: 1  Hamartomas are the most common type of benign lung tumor and the third most common cause of solitary pulmonary nodules.
Leyden Township is located just northwest of the city of Chicago, an edge of which lies within the township but as a separate entity. According to the United States Census Bureau, the township covers an area of 19.84 square miles (51.4 km 2).eyden Township is located just northwest of the city of Chicago, an edge of which lies within the township but as a separate entity. According to the United States Census Bureau, the township covers an area of 19.84 square miles (51.4 km 2).
Waltham Township is located in LaSalle County, Illinois. As of the 2010 census, its population was 446 and it contained 200 housing units. Geography. According to the 2010 census, the township has a total area of 37.01 square miles (95.9 km2), all land.