X RAY 

emphysema

emphysema (COPD)

PA view showing emphsematous (hyperlucent lung field and more than 10 posterior ribs ) lung fields , flattened diaphragm and tubular heart --> suggestive of COPD 

left sided pleural effusion 

   PA view of a female patient (see for breast shadows) showing left sided pleural effusion (CP angle blunting and homogenous opacity)             

right middle lobe consolidation

right middle lobe consolidation

x ray PA view showing heterogenous opacity in right middle lobe suggestive of right middle lobe consolidation 

cavity in left lung field

x ray chest PA view showing cavity in left lung with fluid level suggestive of lung abscess

image contributed by Dr Ananthumon ST