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.
from The Century Dictionary and Cyclopedia. 1  To patch; mend by sewing on a clout or patch; cobble; hence, to join clumsily. 2  To cover with a piece of cloth or with rags; bandage. 3  To rub with an old piece of cloth, felt, or the like.  To strike with the hand; 1  cuff. To stud or fasten with nails. 2  n. 3  n. 4  n. 5  n. 6  n.  n. n. n. n.