Tichomiroff finds four other cases in literature, in all of which the left lung was absent.

Theremin and Tyson record cases of the absence of the left lung.
Supplementary pulmonary lobes are occasionally seen in man and are taken by some authorities to be examples of retrogressive anomalies tending to prove that the derivation of the human race is from the quadrupeds which show analogous pulmonary malformation.

Eckley reports an instance of supernumerary lobe of the right lung in close connection with the vena azygos major.

Collins mentions a similar case.

Bonnet and Edwards speak of instances of four lobes in the right lung.