Changes

*Rarely any clinical significance

*Rarely any clinical significance

*Grossly:

*Grossly:

**Multifocal [[Lungs Inflammatory - Pathology#Interstitial pneumonia|interstitial]] [[Lungs Inflammatory - Pathology#Infectious causes of pneumonia|pneumonia]] grossly evident as firm "lead-shot" nodules throughout the parenchyma, often with enveloping granulomatous response

**Multifocal [[Interstitial Pneumonia|interstitial]] [[Pneumonia Overview#Infectious causes of pneumonia|pneumonia]] grossly evident as firm "lead-shot" nodules throughout the parenchyma, often with enveloping granulomatous response

**Early stages are reddish in colour, turning later to greyish green, may calcify

**Early stages are reddish in colour, turning later to greyish green, may calcify

**Mostly in dorsal region of caudal lung lobes

**Mostly in dorsal region of caudal lung lobes