PMC5591935_01
CXR on admission showing large right-sided infiltrate.
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fig1
Chest X-ray revealed a large right-sided infiltrate with pleural effusion (Figure 1).
Initial plain chest CT showing the mass.
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fig2
Later chest CT without contrast revealed 10 x 14 x 16 cm mass in the right lung without hilar lymphadenopathy, small pericardial effusion, bilateral pleural effusions, and compressive atelectasis of the right lung (Figure 2) and possible differentials were pleural fibroma, sarcoma, pulmonary pleural blastoma, and primary pulmonary lymphoma (no palpable lymph nodes).
Chest CT showing the superior vena cava obstruction.
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fig3
The patient subsequently underwent chest CT with contrast for possible superior vena cava obstruction (Figure 3) and CT guided core biopsy of the right lung mass for tissue diagnosis (Figure 4).
CT guided biopsy of mass.
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fig4
The patient subsequently underwent chest CT with contrast for possible superior vena cava obstruction (Figure 3) and CT guided core biopsy of the right lung mass for tissue diagnosis (Figure 4).
Histopathology slide showing large amount of lymphocytes.
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fig5
The pathology report revealed atypical B cell rich lymphoid infiltrate consistent with large B cell lymphoma (Figure 5).
CXR after chemotherapy showing decrease in size of right lung mass.
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fig6
She responded well to the treatment and tumor was shrunken down on repeated CXR (Figure 6).