First, bubonic (rhymes with pneumonic but is altogether different) is a local infection sequestered in a lymph node.
The patient has been described by some reports as having “bubonic” plague and by others as having developed the “pneumonic” form.
pneumonic pneu·mon·ic (nu-mŏn'ĭk, nyu-)
Relating to, affected by, or similar to pneumonia.
Of, affecting, or relating to the lungs; pulmonary.