Question: if a mass lesion is found during examination, it may require surgical removal.
Answer: --> If a mass lesion is found during examination, it may require surgical removal.

Question: other alternate diagnoses include chronic bronchial disease or pulmonary edema.
Answer: --> Other alternate diagnoses include chronic bronchial disease or pulmonary edema.

Question: these have interesting geometrical properties and edge investigated them in a series of papers spanning 40 years.
Answer:
--> These have interesting geometrical properties and Edge investigated them in a series of papers spanning 40 years.