Identification of cansolidation on chest images is a useful skill for radiographers. Care must be taken to not call every lung opacity a consolidation. There are a varity of causes of lung opacity and a number of known false signs. This page looks at some of the other consolidation-like appearances.

	This patient presented for chest radiography with "known ischaemic heart disease and chest pain". There is loss of clarity of the right heart border suggesting RML pathology.
	There is no abnormal RML opacity. There is evidence of pectus excavatum (depression of the sternum). Pectus excavatum is a known cause of false RML disease and is likely to be the cause of the pseudo-silhouette sign on the PA image. beware!