Mild cardiomegaly

Respected sir
following is my report

- CHEST RADIOGRAPH - PA VIEW -
BOTH LUNG APICES SHOW NORMAL TRANSLUCENCY.
BOTH COSTOPHRENIC ANGLES ARE OPACIFIED:-PROBABLY
DUE TO THE SOFT TISSUE SHADOWING.D/D:BASAL EFFUSION.

THE HILA APPEAR NORMAL ON BOTH THE SIDES.
PERIHILAR BRONCHOVASCULAR MARKINGS ARE PROMINENT.
NO FOCAL PULMONARY PARENCHYMAL PATHOLOGY.
NO MEDIASTINAL OR TRACHEAL SHIFT.
DIAPHRAGMATIC DOMES APPEAR SMOOTH IN OUTLINE AND
NORMAL IN POSITION.NO PLEURAL EFFUSINS.

CARDIAC SILHOUETTE SHOWS ENLARGED VENTRIVLES.
MILD CARDIOMEGALY 9 CT RATIO 16 CM:29 CMS).
UNFOLDING AORTIC ARCH.NO ABNORMAL CALCIFICATIONS.
BONY THORAX APPEARS NORMAL IN SHAPE.

IMPRESSION:
NO FOCAL PULMONARY ABNORMALITY DETECTED.
PERIHILAR BRONCHO-VASCULAR CONGESTION.
MILD CARDIOMEGALY.TO RULE OUT IHD.
ADVISED CLINICAL CORRELATION.

so wht are the DO'S & DONT'S for me and its causes , symptoms , cure , what type of diet to be taken & what not be taken what care should be initiated first... thank you
hope to get your reply soon to move towards my first step