Some of the other causes include: 1  Lung infections, such as pneumonia and tuberculosis. 2  Other diseases such as systemic lupus erythematosus (lupus), rheumatoid arthritis, cancer, liver diseases, and pulmonary embolism.3  Chest injuries.4  Drug reactions.ome of the other causes include: 1  Lung infections, such as pneumonia and tuberculosis. 2  Other diseases such as systemic lupus erythematosus (lupus), rheumatoid arthritis, cancer, liver diseases, and pulmonary embolism. 3  Chest injuries. 4  Drug reactions.
The definition of a patch is a small area that's different from what's around it. An example of a patch is small area of grass in the middle of a parking lot. An example of a patch is a red wine stain on white carpet. Patch means a piece of material used to cover, fix or protect.
wetland - a low area where the land is saturated with water. 1  bog, peat bog - wet spongy ground of decomposing vegetation; has poorer drainage than a swamp; soil is unfit for cultivation but can be cut and dried and used for fuel.