To my father of 87 years. At x-ray inspection in hospital at it or him have found...

[Michael]

To my father of 87 years. At x-ray inspection in hospital at it or him have found a liquid in lungs and treated diuretics.
Whether there are other methods of research, except for a roentgen (US?), allowing quantitatively to estimate or appreciate change of volume of this liquid and
What signs allow to feel this change?

[Zholudev A.A.]

What for other methods when on a roentgen well enough it is visible both quantity or amount of a liquid and dynamics or changes at treatment are necessary.

[Michael]

Unfortunately a roentgen often to do or make it is impossible, therefore
Whether I wish to learn or find out enough resolving power from US that the doctor could estimate or appreciate weekly quantity or amount of a liquid and specify medicamental treatment?