At autopsy of a 69 year old man,the lungs had the appearance shown in the accompanying photomicrographs.Which one of the following is the best diagnosis? 
Definitions:
Greatest Common Factor
The largest number that divides two or more numbers without leaving a remainder, used in simplifying fractions.
Numerator
The top number in a fraction that indicates how many parts of a whole are taken.
Denominator
The bottom number in a fraction, representing the total number of parts the whole is divided into.
Systolic Blood Pressure
The highest pressure in the arteries when the heart beats, indicating the force at which blood is pumped around the body.
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