question: HAZY DENSITIES ARE SEEN IN B0TH UPPER L0BES. HEARTH IS N0T ENLARGED. HEMI DIAPHRAGMS AND SULCI ARE INTACT. B0NY TH0RAX IS UNREMAR KABLE. IMPRESSI0n - PTB. UPPER L0BES UNDETERMINED. Kindly explain this result? And what is the right medicine? Thank you.